(6R)-2-amino-6-(1,2-dihydroxypropyl)-5,6,7,8-tetrahydro-1H-pteridin-4-one HSCI1_000255 NCGC00160393-01 4(1H)-pteridinone, 2-amino-6-(1,2-dihydroxypropyl)-5,6,7,8-tetrahydro-, (6R)- Lopac0_001167