4-Hydrazinobenzenesulfonic Acid Hemihydrate

4-肼基苯磺酸 半水合物

4-Hydroxybenzaldehyde

4-羟基苯甲醛

Ethyl 4-Hydroxybenzoate

尼泊金乙酯

4-Hydroxybenzophenone

4-羟基二苯甲酮

4-Hydroxycoumarin

4-羟基香豆素

2-Pyridineethanol

2-吡啶乙醇

Formaldehyde Sodium Bisulfite

甲醛亚硫酸氢钠

7-Hydroxy-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidine

7-羟基-5-甲基-[1,2,4]三唑并[1,5-a]嘧啶

5-Hydroxy-1,4-naphthoquinone

5-羟基-1,4-萘醌

4'-Hydroxypropiophenone

4'-羟基苯丙酮