2,4-二硝基苯肼

乙醛酸

methyl 2-acetoxy-2-(4-methoxy-2,6-dimethylphenyl)acetate

水合氯醛

(R)-3-(((1R,3R,3aS,3bR,5aS,6aR,8S,10aR,11aS,11bS,13aR)-3,3a-dihydroxy-11a,13a-dimethyl-9-oxo-1-(5-oxo-2,5-dihydrofuran-3-yl)octadecahydro-1H-cyclopenta[7,8]phenanthro[2,3-b][1,4]dioxin-8-yl)oxy)butanal