3-Hydroxy-4,5-dimethoxybenzoyl aminoguanidine hemisulfate 35607-24-0 4,5-Dimethoxy-3-hydroxybenzoic acid 2-(aminoiminomethyl)hydrazide sulfate (2:1) BENZOIC ACID, 4,5-DIMETHOXY-3-HYDROXY-, 2-(AMINOIMINOMETHYL)HYDRAZIDE SULFATE (2 Benzoic acid, 4,5-dimethoxy-3-hydroxy-, 2-(aminoiminomethyl)hydrazide sulfate (2:1) (salt)