Methamphetamine exists as two enantiomers, dextrorotary and levorotary.
甲基苯丙胺以右旋和左旋两种对映体形式存在。
Dextrorotary ammonium tartrate can be prepared from by product tartar produced in grape wine factory.
酒石酸氢铵和氨水反应并经脱色、脱水可制得最终产品右旋酒石酸铵。
Ammonium bitartrate is filtrated and washed with water to remove Cl -, and then reacted with ammonia to give the final product dextrorotary ammonium tartrate.
酒石酸氢铵和氨水反应并经脱色、脱水可制得最终产品右旋酒石酸铵。
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