Synonyms: 3,4-Dihydroxy-5-methoxybenzoyl aminoguanidine hemisulfate;3,4-Dihydroxy-5-methoxybenzoic acid 2-(aminoiminomethyl)hydrazide sulfate (2:1);Benzoic acid, 3,4-dihydroxy-5-methoxy-, 2-(aminoiminomethyl)hydrazide, sulfate (2:1) (salt);AC1L1X83;LS-37069;diaminomethylidene-[(3,4-dihydroxy-5-methoxybenzoyl)amino]azanium sulfate;35607-26-2