35835-01-9 78169-56-9 79104-10-2 Benzo(g)pteridin-5-iumyl, 5-ethyl-2,3,5,10-tetrahydro-4-hydroxy-3,7,8,10-tetramethyl-2-oxo-, hydroxide, inner salt Benzo(g)pteridinyl, 5-ethyl-2,3,4,5,10,?-hexahydro-3,7,8,10-tetramethyl-2,4-dioxo- Methyl-ethyl-monohydro-lumiflavin