Synonyms: 2-Amino-4-oxo-6,7-dimethyl-3,4,5,6,7,8-hexahydropteridine;2-Amino-5,6,7,8-tetrahydro-6,7-dimethylpteridin-4(1H)-one;2-Amino-6,7-dimethyl-5,6,7,8-tetrahydropteridine-4(3H)-one;2-Amino-6,7-dimethyl-5,6,7,8-tetrahydropteridine-4-ol;5,6,7,8-Tetrahydro-2-amino-6,7-dimethylpteridine-4(3H)-one;6,7-Dimethyl-5,6,7,8-tetrahydropterin