2-(氨基氧基)乙酸叔丁酯

N-环己基甘氨酸

2-O-tert-butyl 1-O,1-O-diethyl ethane-1,1,2-tricarboxylate

ethyl 1-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]pyrazole-4-carboxylate

tert-butyl 2-(2-methylphenyl)acetate