1 C3F 3-[7,8-dimethyl-2,4-bis(oxidanylidene)benzo[G]pteridin-10-yl]propylcarbamic acid 1.000 2 A1B7N (7,8-dimethyl-2,4-dioxo-3,4-dihydrobenzo[G]pteridin-10(2h)-yl)acetaldehyde 0.769 3 LFN Lumiflavin 0.760 4 LUM Lumichrome 0.720 5 CF4 [4-(7,8-dimethyl-2,4-dioxo-3,4-dihydrobenzo[G]pteridin-10(2h)-yl)butyl]carbamic acid 0.700