N-methyl-N,3-diphenyl-2H-azirine-2-carboxamide

dimethyl 5-[amino(phenyl)methylidene]-4-oxohex-2-enedioate

4-oxido-3,5-diphenyl-1,2,4-oxadiazol-4-ium

3,5-二苯基-1,2,4-恶二唑

5-(4-甲氧基苯基)-3-苯基-1,2-恶唑