ethyl 5-(dimethylamino)-2-(2,2,2-trifluoroacetyl)penta-2,4-dienoate

ethyl (4E)-5-(dimethylamino)-2-(2,2,2-trifluoroacetyl)penta-2,4-dienoate

copper(1+),trifluoromethane

2-氯烟酸乙酯

三氟乙酰乙酸乙酯