1-Butyl-3-methylimidazolium Bromide

1-丁基-3-甲基咪唑溴化物

1-Ethylpyridinium tetrafluoroborate

1-乙基吡啶鎓 四氟硼酸酯

1-Z-Piperazine

1-苄氧羰基哌嗪

1,4-Di-tert-butyl-2,5-bis (2-methoxyethoxy)benzene

2′,7′-Dichlorofluorescein

2′,7′-二氯荧光素

2-Amino-3,5-dibromobenzaldehyde

2-氨基-3,5-二溴苯甲醛

2-Bromo-5′-fluoro-2′-hydroxyacetophenone

2-溴-5′-氟-2′-羟基苯乙酮

2-Hydroxybenzothiazole

2-羟基苯并噻唑

2,2′-Bis(bromomethyl)-1,1′-biphenyl

2,2′-双(溴甲基)-1,1′-联苯

2,4,5-Trichlorobenzenesulfonyl Chloride

2,4,5-三氯苯磺酰氯