3-(4-morpholin-4-yl-3-nitrophenyl)-4,5-dihydro-1H-pyridazin-6-one

3-(2-乙氧基-2-氧代乙基硫代)丙酸乙酯

ethyl 2-(acetyloxymethyl)prop-2-enoate

methyl 4-(3-ethoxy-3-oxoprop-1-enyl)benzoate

丙烯酸甲基烯丙酯