2-(Diethylamino)ethyl 4-(butylamino)salicylate monohydrochloride 4-(Butylamino)salicylic acid 2-(diethylamino)ethyl ester hydrochloride 528-97-2 Bronchocain Bronchocaine C 4208 EINECS 208-447-5 HCl salz des p-N,N-butylaminosalicylsaeurediaethylaminoaethylester [German] Paraesin Phenocaine S 650 Salicyl-diaethyl [German] Salicylic acid, 4-(butylamino)-, 2-(diethylamino)ethyl ester, monohydrochloride Salicylic acid, p-butylamino-, 2-(diethylamino)ethyl ester, hydrochloride Wofacain A p-Butylaminosalicylic acid, 2-(diethylamino)ethyl ester hydrochloride