1,2-二甲基吲哚

4-甲基噻唑

1,2,4,6-tetramethylindole

1,2,2,5,7-pentamethyl-4-methylene-6-nitro-1,2,3,4-tetrahydroquinoline

1,2,2,4,5,7-hexamethyl-6-nitro-1,2-dihydroquinoline