2-(Trifluoromethyl)quinoxaline

2-(三氟甲基)喹喔啉

2-Amino-3,5-pyridinedicarboxylic acid

2-Aminopyrimidine-5-propanol

2-Bromo-1-[5-(2-pyridinyl)-2-thienyl]ethanone

2-Bromo-1-(7-methoxybenzofuran-2-yl)ethan-1-one

2-Bromo-N-(2-fluorophenyl)butanamide

2-Bromo-N-(4-fluorophenyl)butanamide

2-Bromo-N,N-dipropylbutanamide

2-Chloro-1-(8-hydroxy-5-quinolinyl)ethanone

2-chloro-4-(trifluoromethyl)quinoline

2-氯-4-（三氟甲基）喹啉

2-Chloro-5-(trifluoromethyl)benzenecarboximidamide hydrochloride

2-Chloro-N-(tetrahydro-2-furanylmethyl)acetamide

2-Cyclopentyl-1H-pyrrolo[2,3-b]pyridine

2-Ethoxy-2-methylchromane

2-Hydroxy-3-methylisonicotinic acid