Enter the simulation space again.

Su Chen did not wait, and took a taxi early in the morning and went straight to Wu's so-called villa.

After getting off the car, Su Chen came to a coffee shop opposite the residential area where the villa was located.

Walked into the coffee shop, ordered a cup of coffee, and sat down.

He opens the system store and uses the Miles tracking function.

"Ding, please enter the tracking object.

Su Chen thought of the nanny of Wu's so-called family.

"Ding, the target input is successful, start tracking.

Soon, the positioning of the nanny appeared in Su Chen's mind.

It can be judged by the positioning that the nanny is in the villa at this time.

Su Chen glanced at the time.

8:45 a.m.

He was not in a hurry and waited quietly.

10:06 a.m.

The positioning of the babysitter began to move.

Soon, Su Chen saw the nanny on the opposite side through the floor-to-ceiling window of the coffee shop.

She walked out of the neighborhood slowly and walked in the opposite direction of the street.

Su Chen immediately walked out of the café and followed.

Su Chen followed carefully.

Walked for about ten minutes.

The nanny stopped in front of a supermarket.

She walked into the supermarket.

Su Chen also quietly followed.

After walking into the supermarket, the nanny pushed a small car.

I bought some food first, and then went to the grocery to buy some toilet paper.

Then, walk towards the toiletries.

Su Chen continued to follow closely.

Soon, the nanny stopped in front of a shelf.

This row of shelves sells disinfectant supplies.

Alcohol, iodophor and the like.

Seeing this, Su Chen couldn't care about the exposure, and quickly stepped forward, pretending to pass by while looking at the nanny seriously.

He found that the nanny did not choose carefully at all, and directly picked up a small bottle of alcohol from one of the brands and put it in the shopping cart.

Then, head towards another shopping area.

As soon as she left, Su Chen immediately turned around and came to the place where she was standing just now.

Su Chen carefully remembered the location of the alcohol taken by the nanny in his mind.

Then his mind moved, and he left the virtual space.

His purpose in entering the virtual space this time was precisely for this small bottle of alcohol.

The last time he entered Wu's so-called villa, Su Chen noticed that the nanny was an alcohol spray taken out of a bag on the shoe rack.

And the bottle of alcohol spray was still unopened, and the nanny opened it and handed it to them on the spot.

Su Chen secretly stepped forward to check an invoice in the bag when the nanny handed the alcohol spray to Wu Chen.

Due to the shortage of time, he only had time to see that the time written on the invoice was today.

Through the time on the invoice and the newly opened alcohol spray, Su Chen immediately judged that the nanny must have gone out to shop for alcohol at a certain time period today.

Therefore, Su Chen had this operation.

Fortunately, everything was as expected.

Then the plan can go smoothly.

In Su Chen's plan, this small bottle of alcohol spray was about to become an unexpected fuse.

And that accident will create a perfect secret room and kill Wu So-called in it!

Su Chen once again entered a new simulation space.

In this operation, he wanted to implement the plan, practice it for the first time, and kill Wu So-called!

After entering the simulation space, Su Chen immediately went out.

However, he did not rush directly to Wu's so-called villa, but took a taxi to the nearest high school.

The taxi stopped in front of the high school.

Su Chen got out of the car and scanned the shops at the entrance of the school.

Finally, my eyes stopped at a store specializing in physical and chemical experimental equipment.

He walked straight into the store.

About 5 minutes later.

Su Chen walked out of the shop.

He was carrying a large bag in his hand, and the bag was full of things.

He hailed another taxi and headed back towards his accommodation.

When he returned to his apartment, he carried his bag to his desk.

Remove everything from the desk, including the computer, and carefully wipe the desk clean with a wet wipe.

Then, start pulling things out of the bag.

He first took out a test bench for chemical experiments and carefully placed it on the desk.

Then, he pulled out a bunch of bottles, jars and various rubber tubes.

Finally, an alcohol lamp was taken out and placed on the test bench.

After taking everything out, he set up the test bench and placed the reagent bottles and experimental vials in place.

Now everything is ready to go.

He wanted to make a chemical reagent.

In

order to prevent mistakes, he took out his notebook and wrote down the formula that needed to be used in the experiment:

CH3NO2+CS2¬→KSC=CHNO2→CH3SC=CHNO2 (catalyst C2H5OH), and the two-step yield was 48.5%.

The first step is to use nitromethane and sulfur dioxide in ethanol catalyzed to obtain dimethylthio, and then add dimethyl sulfate to filter and place to obtain nitroethylene.

Su Chen clamped the yellow lens in the purchased reagent bottle into the reagent bottle with tweezers, then poured 2 ml of sulfur dioxide, and finally poured ethanol to stir.

After leaving it for a while, pick up another bottle of gray objects and pour it in, let it sit for a while.

Then, Su Chen continued to write down the experimental formula in his notebook, and then carried out according to the formula....

...... (too complicated, omitted)

after 15 minutes.

Looking at the pink lens in his hand, Su Chen knew that there was one last experiment that was successful.

He wrote down the last formula in his notebook again:

(CH3)2NCH2 - CH2SCH2CH2HNC=CHNO2HCL

According to the formula, Su Chen mixed the pink lens of methylamine methanol with dichloromethane, and then put it on an alcohol lamp to heat.

After the lens melted, in order not to contact oxygen, Su Chen carefully used a test tube to add methylene chloride.

Finally, it is cooled and allowed to stand, filtered, dried, methanol is added again, and vacuumed.

In the end, he finally succeeded in getting his goal, ranitidine hydrochloride.

Looking at the fine crushed lens in the reagent bottle in front of him, Su Chen sighed:

"Still that sentence, learn to physicalize, and walk all over the world without fear!

Now, there is still the last step to complete the preparation.

Su Chen took out the last item from the bag.

This is a bottle of alcohol spray.

And it's exactly the same as the alcohol spray purchased by Aunt Wang, the nanny.

Su Chen placed the alcohol bottle far away from the test bench.

Take out a thin needle and draw more than half of the alcohol inside, leaving only the bottom of the bottle.

Next, he took out a long test tube, one end attached to the alcohol spray and the other end to a test tube.

He heats the tube on an alcohol lamp.

As the alcohol heats, the air in the alcohol spray is pumped out along the long test tube.

Soon, there was only vacuum in the alcohol spray except alcohol.

Next, Su Chen turned the alcohol spray upside down.

Air is then injected into the bottom with a needle.

Return to normal when finished.

I saw that the alcohol spray in the alcohol spray bottle at this time was squeezed to the upper layer.

It looks exactly like when the bottle is full.

Su Chen knew that only when he pressed the spray could he find that there was only a little alcohol in the bottle.

Finally, Su Chen pumped the ranitidine hydrochloride crystals made in the experiment just now into a vacuum and injected alcohol spray.

The composition of alcohol is ethanol, while ranitidine hydrochloride is soluble in ethanol.

So soon ranitidine hydrochloride melted in the alcohol spray bottle.

At this time, the alcohol spray looks exactly like normal, there is no difference.

After completing all this, Su Chen carefully put the alcohol spray face up in his bag.

Everything is ready, and now it's time to get moving!

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