发明授权
US4931589A Benzonorbornene derivatives, processes for their preparation and medicinal and cosmetic compositions containing them 失效
苯并降冰片烯衍生物,其制备方法和含有它们的药物和化妆品组合物

Benzonorbornene derivatives, processes for their preparation and
medicinal and cosmetic compositions containing them
摘要:
A compound of formula (I) ##STR1## its isomers and its salts in which R.sub.1, R.sub.3 and R.sub.4 are each independently hydrogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, halogen, C.sub.1 -C.sub.8 acyloxy or hydroxyl;R' is hydrogen or C.sub.1 -C.sub.6 -alkyl;R" is either a polyene chain or a benzene ring are useful in cosmetics and in the treatment of various dermatological and other complaints.
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