发明授权
US5084579A Benzofuran compounds 失效
苯佐芬化合物

Benzofuran compounds
摘要:
A benzofuran compound of the formula ##STR1## wherein A represents ##STR2## wherein R.sub.1, R.sub.2, R.sub.3, B and D have various meanings. The benzofuran compound is usefully employed in pharmaceutical and cosmetic compositions.
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