发明授权
US5741907A Pharmacologically active enantiomers 失效
药理活性对映异构体

Pharmacologically active enantiomers
摘要:
(S) or (R) enantiomer of a compound of formula: ##STR1## where Alk is an alkyl having from 1 to 3 carbon atoms, and an acid addition salt thereof with a physiologically acceptable acid.
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