(3-Butoxyphenyl)carbamic acid 2-(1-piperidinyl)-1-(1-piperidinylmethyl)ethyl ester HCl 113904-25-9 2-(1-Piperidinyl)-1-(1-piperidinylmethyl)ethyl (3-butoxyphenyl)carbamate dihydrochloride Carbamic acid, (3-butoxyphenyl)-, 2-(1-piperidinyl)-1-(1-piperidinylmethyl)ethyl ester, dihydrochloride