4,7-Pteridinediamine, N,N,N',N'-tetramethyl-6-((phenylmethyl)thio)-2-(1-piperazinyl)- 6-Benzylthio-4,7-bis(dimethylamino)-2-piperazino-pteridine 96801-80-8 N,N,N',N'-Tetramethyl-6-((phenylmethyl)thio)-2-(1-piperazinyl)-4,7-pteridinediamine