乙醇钾

草酰乙酸二乙酯

t-butyl 2-diazo-1,3-dioxo-hexahydro-1H-pyrazolo<1,2-a>pyridazine-5-carboxylate

β-(N,N-dimethoxyamino)-isovaleric acid methyl ester

对甲氧基苯胺