Synonyms: 4(1H)-Pteridinone,2-amino-5,6,7,8-tetrahydro-6-methyl- (9CI); 4-Pteridinol,2-amino-5,6,7,8-tetrahydro-6-methyl- (6CI,7CI,8CI);(6RS)-Methyltetrahydropterin;2-Amino-4-hydroxy-6-methyl-5,6,7,8-tetrahydropteridine;2-Amino-4-hydroxy-6-methyl-5,6,7,8-tetrahydropterin;2-Amino-4-hydroxy-6-methyltetrahydropteridine;2-Amino-4-hydroxy-6-methyltetrahydropterin; 5,6,7,8-Tetrahydro-6-methylpterin;6-Methyl-5,6,7,8-tetrahydropterin; 6-Methyltetrahydropterin;DL-6-Methyl-5,6,7,8-tetrahydropterin