1H-Azepine-4-carboxylic acid, hexahydro-1-methyl-4-phenyl-, ethyl ester, hydrochloride 5982-61-6 Azepine-4-carboxylic acid, hexahydro-1-methyl-4-phenyl-, ethyl ester, hydrochloride Ethoheptazine hydrochloride NSC400484