1,3-Diaminopropane-N,N,N′,N′-tetraacetic acid

1,3-丙二胺四乙酸

1,3,5-Tris(bromomethyl)-2,4,6-triethylbenzene

1,3,5-三(溴甲基)-2,4,6-三乙基苯

1,4-Dimethyl-4H-1,2,4-triazolium iodide

1,4-二甲基-4H-1,2,4-碘化三唑鎓

10,10′-dibromo-9,9′-bianthracene

10,10′-dibromo-9,9′-bianthryl

2′-Hydroxy-5′-nitroacetophenone

2′-羟基-5′-硝基苯乙酮

2-(2-Methoxyethoxy)ethyl 2-(chlorosulfonyl)benzoate

2-(2-甲氧基乙氧基)乙基 2-(氯磺酰)苯甲酸酯

2-(Chloromethyl)benzoyl Chloride

2-（氯甲基）苯甲酰氯

2-(Trifluoromethyl)benzamide

2-(三氟甲基)苯甲酰胺

2-Amino-4-bromophenol

2-氨基-4-溴酚

2-Aminopyrimidine-5-boronic acid

2-氨基嘧啶-5-硼酸