3-Pyridinecarbamic acid, 2-amino-6-((1,2-diphenylethyl)amino)-, ethyl ester, monohydrochloride 33400-47-4 D-10,242 EINECS 251-497-8 Ethyl (2-amino-6-((1,2-diphenylethyl)amino)pyridin-3-yl)carbamate monohydrochloride