2,4-二羟基吡啶, 2,4-Dihydroxypyridine

2，5-二甲基-对苯醌, 2,5-Dimethyl-p-benzoquinone

异戊酸, Isovaleric Acid

对苯二腈, 1,4-Dicyanobenzene

1,2-二溴四氯乙烷, 1,2-Dibromotetrachloroethane

N，N-二环己基碳酰亚胺, N,N'-Dicyclohexylcarbodiimide

4-氨基-1-萘酚盐酸盐, 4-Amino-1-naphthol Hydrochloride

3-己基噻吩, 3-Hexylthiophene

3-羟基-2-甲基吡啶, 3-Hydroxy-2-methylpyridine

1，4-二羟基蒽醌, 1,4-Dihydroxyanthraquinone