1-(2,4-dinitrophenyl)-2-phenylhydrazine

3-methyl-1,6-diphenylpyrano[2,3-c]pyrazol-4-one

6-(N-aminoanilino)-3-methyl-1H-pyrimidine-2,4-dione

1-(4-ethoxyphenyl)-2-phenylethanone

2,3,4,9-四氢-1H-咔唑-2-羧酸