1-Piperazineethanol, alpha-((4-(2,4,7-triamino-6-pteridinyl)phenoxy)methyl)- 159872-81-8 6-(4-(2-Hydroxy-3-(1-piperazinyl)propoxy)phenyl)-2,4,7-triamino-pteridine alpha-((4-(2,4,7-Triamino-6-pteridinyl)phenoxy)methyl)-1-piperazineethanol