ethyl N-(1-hydroxypropan-2-yl)carbamate

(NZ)-N-(1-羟基吡啶-2-亚基)氨基甲酸乙酯

diethyl 2-(triphenyl-λ⁵-phosphanylidene)propanedioate

ethyl N-[5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitroanilino]carbamate

ethyl 3-(cyclohexen-1-yl)prop-2-enoate