18429-83-9 18429-99-7 5-Isoquinolinol, decahydro-2-methyl-, 3,4,5-trimethoxybenzoate BENZOIC ACID, 3,4,5-TRIMETHOXY-, DECAHYDRO-2-METHYL-5-ISOQUINOLYL ESTER, trans- trans-3,4,5-Trimethoxybenzoic acid decahydro-2-methyl-5-isoquinolyl ester trans-9,10-t-5-H-5-(3,4,5-Trimethoxybenzoyloxy)-2-methyldecahydroisoquinoline