2′,7′-Dichlorofluorescein

2′,7′-二氯荧光素

2-(Methylamino)phenol

2-（甲氨基）苯酚

2-Amino-6-bromopyridine

2-氨基-6-溴吡啶

2-Bromo-3′,4′-dichloroacetophenone

2-溴-3′,4′-二氯苯乙酮

2-Chloromethyl-4-methoxy-3,5-dimethylpyridine hydrochloride

2-氯甲基-4-甲氧基-3,5-二甲基吡啶 盐酸盐

2-Isobutyl-3-methoxypyrazine

2-异丁基-3-甲氧基吡嗪

2-Phenylbutyryl Chloride

2-苯基丁酰氯

2,3-Diaminophenazine

2,3-二氨基吩嗪

2,4,6-Tris(trifluoromethyl)-1,3,5-triazine

2,4,6-三(三氟甲基)-1,3,5-三嗪

2,6-Difluorophenyl isocyanate

2,6-二氟苯基异氰酸酯