2-Chloro-1H-imidazole

2-氯-1H-咪唑

2-Chloro-5-chlorosulfonyl-4-fluorobenzoic acid

2-氯-5-氯磺酰基-4-氟苯甲酸

2-Cyanopropan-2-yl N-methyl-N-(pyridin-4-yl)carbamodithioate

2-氰基丙基 N-甲基-N-(4-吡啶)氨基二硫代碳酸酯

15-Hydroxypentadecanoic Acid

15-羟基十五酸

2′-Chloro-5′-(trifluoromethyl)acetophenone

2′-氯-5′-(三氟甲基)苯乙酮

2-(Trifluoromethyl)phenylacetic Acid

2-(三氟甲基)苯乙酸

2-Nitro-4-(trifluoromethyl)benzenesulfonyl chloride

2-硝基-4-(三氟甲基)苯磺酰氯

2-Phenyl-2-propyl benzodithioate

2-苯基-2-丙基苯并二硫

2,2′-Bipyrimidine

2,2′-联嘧啶

2,2-Difluoroacetophenone

α,α-Difluoroacetophenone