| 摘要 |
An acid addition salt formed from (-)-(1R)-1-phenyl-1,2,3,4-tetrahydroisoquinoline-2-carboxylic acid (3R)-quinuclidin-3-yl ester and an acid selected from the group consisting of (-)-(2S,3S)-tartaric acid, (+)-(2S,3S)-di-o-benzoyltartaric acid, (+)-(2S,3S)-di-o-(4-methylbenzoyl) tartaric acid, (-)-L-phenylalanine, benzenesulfonic acid, cyclohexanesulfamic acid, hydrobromic acid, naphthalene-2-sulfonic acid, sebacic acid, (+)-camphor-10-sulfonic acid, p-toluenesulfonic acid, ethanesulfonic acid, methanesulfonic acid and methyl phosphate. This salt does not show hygroscopicity in such a level that is not desirable for use as a pharmaceutical agent or an active ingredient of a pharmaceutical agent, and therefore is an extremely useful compound for use as a pharmaceutical agent or an active ingredient of a pharmaceutical agent.
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