Sigma-Aldrich
2,2′:5′,2′′-Terthiophene
α-三联噻吩
2,2,2-Trifluoroethyl p-toluenesulfonate
2,2,2-三氟乙基对甲苯磺酸酯
2,3-Dibromomaleimide
2,3-二溴马来酰亚胺
2,3-Difluorotoluene
2,3-二氟甲苯
2,3,5-Trifluorobenzaldehyde
2,3,5-三氟苯甲醛
2,4-Dibromopyridine
2,4-二溴吡啶
2,4-Difluoro-α-(1H-1,2,4-triazolyl)acetophenone
2,4-二氟-α-(1H-1,2,4-三唑基)乙酰苯
2,4,5-Trifluorobenzaldehyde
2,4,5-三氟苯甲醛
2,4,6-Trifluoronitrobenzene
2,4,6-三氟硝基苯
2,5-Bis(tributylstannyl)thiophene
2,5-双(三丁基甲锡烷基)噻吩
2,5-Dibromobenzotrifluoride
2,5-二溴三氟甲苯
2,5-Dimethoxythiophenol
2,5-二甲氧基苯硫酚
2,6-Bis(trifluoromethyl)pyridine
2,6-双(三氟甲基)吡啶
2,6-Difluoroanilino(oxo)acetic acid
2,6,6-Trimethyl-1-cyclohexene-1-acetaldehyde
2,6,6-三甲基-1-环己烯基乙醛