1,3,6-trimethyl-7-propan-2-ylsulfanylpteridine-2,4-dione

1,3,6-trimethyl-7-propan-2-ylsulfinylpteridine-2,4-dione

7-chloro-1,3,6-trimethylpteridine-2,4(1H,3H)-dione

1,3,6-trimethyl-1H,8H-pteridine-2,4,7-trione

7-Mercapto-1,3,6-trimethylpteridin-2,4(1H,3H)-dion