Ethyl trans-crotonate623-70-1100 % similar Diethyl maleate141-05-977 % similar Diethyl fumarate623-91-677 % similar Ethyl sorbate2396-84-173 % similar Ethyl 3-ethoxy-2-propenoate1001-26-965 % similar Ethyl (2E)-3-ethoxy-2-propenoate5941-55-965 % similar Ethyl (2E)-4-oxo-2-butenoate2960-66-961 % similar Ethyl (2E)-3-(dimethylamino)-2-propenoate1117-37-959 % similar Monoethyl fumarate2459-05-459 % similar Ethyl trans-2-hexenoate27829-72-759 % similar Ethyl (E)-4-bromo-2-butenoate37746-78-459 % similar Ethyl glyoxylate924-44-758 % similar Ethyl (2E)-4,4,4-trifluoro-2-butenoate25597-16-457 % similar Ethyl acrylate140-88-556 % similar Ethyl 3,3-diethoxy-2-propenoate32002-24-756 % similar 2-Propen-1-yl 2-butenoate20474-93-555 % similar Isobutyl crotonate589-66-255 % similar (E)-Ethyl 4,4-dimethoxybut-2-enoate114736-25-355 % similar Crotonic anhydride623-68-754 % similar Ethyl 3,3-dimethylacrylate638-10-854 % similar