发明授权
US4188330A Substituted phthalide derivatives 失效
取代的苯酞衍生物

Substituted phthalide derivatives
摘要:
Method of preparing chlorthalidone, an antihypertensive agent, and derivatives using a novel 3-(4'-chloro-3'-chlorosulfonylphenyl)phthalide intermediate and derivatives, and method of preparing said novel intermediate, are disclosed.
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