1 CF4 [4-(7,8-dimethyl-2,4-dioxo-3,4-dihydrobenzo[G]pteridin-10(2h)-yl)butyl]carbamic acid 1.000 2 LFN Lumiflavin 0.731 3 30M N-[4-(1-oxo-1,2,3,4-tetrahydro-5h-pyrido[4,3-B]indol-5-yl)butyl]acetamide 0.714 4 RBF Riboflavin 0.710 5 C3F 3-[7,8-dimethyl-2,4-bis(oxidanylidene)benzo[G]pteridin-10-yl]propylcarbamic acid 0.700