1425-63-4 2,4-Diamino-6,7-dimethylpteridine 2,4-Pteridinediamine, 6,7-dimethyl- 6,7-Dimethyl-2,4-pteridine-2,4-diamine 6,7-Dimethyl-2,4-pteridinediamine AI3-23995 EINECS 215-844-7 NSC 24517 Pteridine, 2,4-diamino-6,7-dimethyl- R 158 SKF 371