烟酸, Nicotinic Acid

2-氯乙酰乙酸甲酯, Methyl 2-Chloroacetoacetate

2-碘苯甲酸, 2-Iodobenzoic Acid

乙酰肼, Acethydrazide

3-硝基苯磺酸钠, 3-Nitrobenzenesulfonic Acid

硫代硫酸钠五水合物, Sodium Thiosulfate Pentahydrate

N,N-二甲基-1-萘胺, N,N-Dimethyl-1-naphthylamine

肼基甲酸乙酯, Ethyl Carbazate

无水甜菜碱, Betaine

2，4-吡啶二羧酸, 2,4-Pyridinedicarboxylic acid hydrate