ethyl 3-(dimethylamino)prop-2-enoateEthyl 3-(dimethylamino)propenoate3-(Dimethylamino)acrylic acid ethyl esterEthyl 3-(dimethylamino)acrylate3-(二甲基氨基)丙烯酸乙酯Ethyl 3-(N,N-dimethylamino)acrylate(E)-Ethyl 3-(dimethylamino)acrylateEthyl (2E)-3-(dimethylamino)prop-2-enoateEthyl 3-(dimethylamino)acrylate