1-benzoyl-2,4-dimethylthiosemicarbazide

2,5-difluorobenzophenone 2,4-dimethylthiosemicarbazone

2,4-二甲基氨基硫脲

2,5-二氟苯甲酮

2,4-dimethyl-5-phenyl-1,2,4-triazol-3-one