3,6-Dibromo-9-phenylcarbazole

3,6-二溴-9-苯基咔唑

2,3-Dichloropyrazine

2,3-二氯吡嗪

4,6-Dimethoxy-2-(methylsulfonyl)pyrimidine

4,6-二甲氧基-2-(甲磺酰基)嘧啶

1,8-Dibromopyrene

1,8-二溴芘

2,6-Dibromoanthraquinone

2,6-二溴蒽醌

6'-(Diethylamino)-1',3'-dimethylfluoran

6'-(二乙氨基)-1',3'-二甲基荧烷

4-(Dimethylamino)pyridine N-Oxide

4-(二甲氨基)吡啶 N-氧化物

2,4-Diamino-6-[2-(2-methyl-1-imidazolyl)ethyl]-1,3,5-triazine

2,4-二氨基-6-[2-(2-甲基-1-咪唑基)乙基]-1,3,5-三嗪

4,5-Dicyano-1,3-dithiol-2-one

4,5-二氰-1,3-二硫酚-2-酮

4,5-Dichloro-2-nitrotoluene

4,5-二氯-2-硝基甲苯