1-butyl-1H-pteridine-2,4-dione

1-Pentyl-1H-pteridine-2,4-dione

7-chloro-6-methyl-5-nitroquinoxaline

6-O-(formylmethyleneamino)-1,2:3,4-di-O-isopropylidene-α-D-galactopyranose

glyoxal-bis-(2,4-bis-dimethylamino-pyrimidin-5-ylimine)