2,4,5-三氯酚 2,4,5-trichlorophenol
1,2,4,5-四氯 1,2,4,5-tetrachlorobenzene
四氢可的松 tetrahydrocortisone
均四甲基 durene
草酸二乙酯 diethyl oxalate
基丙二酸二乙酯 diethyl phenylmalonate
3-氯-2,5-二甲基吡嗪 3-chloro-2,5-dimethylpyrazine
泼尼松 prednisone
4-氯间二酚 4-chlororesorcinol
4-氨基安替比林 4-aminoantipyrine