fentanüüli süntees hiina ühenditest

chinacat

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Miks inimesed üldse fentanüülist hoolivad. Kui me saame raha teenida, pannes kogukonnale paremaid asju, miks me ei keskendu sellele.
 

Teck Tonik

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Minu arusaamist mööda ei ole see nii, mulle jäi mulje, et fetty on lihtne sünteesida. Kas te olete kindel?
 

Dimitry_Mendeleev

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selles teabes on mingi probleem , tsink reageerib äädikhappega ja moodustab tsinkatsetaadi ja seejärel reageerib NaOH-ga neutraliseerimisel, moodustades tsinkoksiidi ,ja see sadestub neutraliseerimisel mitte piperidoon .....
 

Dimitry_Mendeleev

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saate seda 2-3 korda atsetooniga pesta, et see oleks piisavalt puhas ...
 

Dimitry_Mendeleev

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küsida ultra pure pharmaceutical grade fent... mail id - [email protected], ta on usaldusväärne ja usaldusväärne ma tegelen temaga ...
 

Dimitry_Mendeleev

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ca
ei saa öelda, et ma ei ole proovinud.
 
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