(Amino-4 dimethoxy-6,7 quinazolyl-2)-1 cyclopropylmethoxycarbonyl-4 piperazine chlorhydrate 1-Piperazinecarboxylic acid, 4-(4-amino-6,7-dimethoxyquinazolin-2-yl)-, cyclopropylmethyl ester, hydrochloride 64951-27-5 Cyclopropylmethyl 4-(4-amino-6,7-dimethoxyquinazolin-2-yl)-1-piperazinecarboxylate HCl SLD-171