4-hydroxy-3-imino-6-methyl-1-oxidoquinoxalin-1-ium-2-carbonitrile

6-methyl-1,2,3,9-tetrahydrocarbazol-4-one

(4-fluorophenyl)-(4-methylphenyl)diazene

1-(4-chlorophenyl)sulfonyl-4-methylbenzene

3-(4-甲基苯基)-1,3-恶唑烷-2-酮