【化】 二羟四价酸; 二羟四碱价酸

7,8-Dihydroxy-9,10-Epoxy-7,8,9,10-Tetrahydrobenzo(a)pyrene

hyodeoxycholic acid; 3α,6α-dihydroxy-5β-cholanic acid

3,7-Dihydroxy--3,4,5-trimethoxyflavone

2-phenyl-4,5-dihydroxy-methylimidazole

1,8-Dihydroxy-9-anthrone

carboxy phenyl dihydroxy arsine

5,7-Dihydroxy-3,4,5-trimethoxyflavanone

dihydroxy-phenyl-alanine