2,2,6,6-tetramethyl-1-oxopiperidin-1-ium-4-ol

Benzo[g]pteridine-2,4(1H,3H)-dione, 5,10-dihydro-3,10-dimethyl-

5-diazo-3-methyl-6-(methylphenylamino)-3H,5H-uracil

3-methyl-6-(methylamino)-5-(phenylamino)pyrimidine-2,4(1H,3H)-dione

10-甲基异咯嗪