3,4,5-Trimethoxybenzoic acid trans-4-guanidinocyclohexyl ester monohydrochloride 75230-99-8 BENZOIC ACID, 3,4,5-TRIMETHOXY-, 4-GUANIDINOCYCLOHEXYL ESTER, MONOHYDROCHLORIDE, Benzoic acid, 3,4,5-trimethoxy-, 4-guanidinocyclohexyl ester, monohydrochloride, trans-