1 WS6 (9as)-2-amino-9a-methyl-8,9,9a,10-tetrahydrobenzo[G]pteridine-4,6(3h,7h)-dione 1.000 2 WS7 (9as)-2-amino-9a-methyl-6,7,8,9,9a,10-hexahydrobenzo[G]pteridin-4(3h)-one 0.944 3 LUM Lumichrome 0.714