Pharmaceutical IntermediateChina 2- (Dimethylamino) Ethyl 4- (butylamino) Benzoate CAS 94-24 6, Find details about China Benzoic Acid 4- (butylamino) -, 2- (dimethylamino) Ethyl Ester from 2- (Dimethylamino) Ethyl 4- (butylamino) Benzoate CAS 94-24 6