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Брудні а-пвп ні в якому разі не можна промивати водою! Тільки з висушеним і замороженим ацетоном! Якщо ваша мета не знищити врожай)

Separation of racemate into enantiomers is a headache and many hours of work. But the fact remains that reducing a mixture of ephedrine isomers with HI in the presence of red P as a catalyst will result in a racemic mixture of methamphetamine isomers that will surpass D-methamphetamine alone in...