2-(Trifluoromethyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyrazine

2-（三氟甲基）-5,6,7,8-四氢咪唑并[1,2-a]吡嗪

2-(TRIPHENYLPHOSPHORANYLIDENE)CYCLOPENTANONE

2-(TRIPHENYLSTANNYL)PHENOL

2-ACETAMIDO-2-DEOXY-1,3,4,6-TETRA-O-ACETYL-ALPHA-D-GLUCOPYRANOSE

2-Acetamido-4-(4-bromo-phenyl)-thiazole

2-ACETYL-3H-BENZO(F)CHROMEN-3-ONE

2-ACETYL-5-METHYLTHIOPHENE OXIME

2-ACETYLAMINO-2-(4-METHOXY-2-METHYL-BENZYL)-MALONIC ACID DIETHYL ESTER

2-ACETYLAMINO-4,5-DIMETHYL-THIOPHENE-3-CARBOXYLIC ACID ETHYL ESTER

2-Acetylphenyl acetate

2-ADAMANTAN-1-YL-PROPAN-2-OL

2-allyl-1,4-dioxane

2-AMINO-1-(2-(4-BR-PHENYL)-2-OXO-ETHYL)-3-BUTYL-3H-BENZOIMIDAZOL-1-IUM, BROMIDE

2-AMINO-4-(2-NITRO-PH)-5-OXO-5,6,7,8-4H-4H-CHROMENE-3-CARBOXYLIC ACID ET ESTER

2-amino-1-phenyl-1,3-propanediol acetate