3-(4-methylphenyl)-2H-phthalazine-1,4-dione

tetramethyl naphthalene-1,2,3,4-tetracarboxylate

dimethyl N-methyl-N-(p-tolyl)aminomaleate

dimethyl 1,5-dimethylindole-2,3-dicarboxylate

n-甲基-n-(4-甲基苯基)-硫脲