2-Chloro-5-(trifluoromethyl)pyrimidine

2-氯-5-(三氟甲基)嘧啶

2-ethylbenzaldehyde

2-乙基苯甲醛

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

2′-氯-5′-(三氟甲基)苯乙酮

2-Methylpyrimidine

2-甲基嘧啶

2-Phenyltoluene

2-甲基联苯

2,2-Bis(3-amino-4-hydroxyphenyl)hexafluoropropane

2,2-双(3-氨基-4-羟基苯基)六氟丙烷

2,3-Dibromo-N-methylmaleimide

2,3-二溴-N-甲基马来酰亚胺

2,3,4,5-Tetrafluorophenylboronic acid

2,3,4,5-四氟苯硼酸

2,4-Dimethoxybenzyl isocyanate

2,4-二甲氧苄基异氰酸酯

2,5-Dibromo-3-octylthiophene

2,5-二溴-3-辛基噻吩