4-(Hydroxycarbophenyl)retinamide 4-Carboxyphenylretinamide 74193-17-2 BASF 35681 CCRIS 5521 N-(4-Carboxyphenyl)retinamide N-(p-Carboxyphenyl)retinamide Retinamide, N-(4-carboxyphenyl)- SRI 7167-67