2949-22-6 AI3-52377 Acetic acid, isocyanato-, ethyl ester Carbethoxymethyl isocyanate EINECS 220-967-4 Ethoxycarbonylmethyl isocyanate Ethyl glycolate isocyanate Ethyl isocyanatoacetate Isocyanatoacetic acid ethyl ester Isocyanatoethyl acetate NSC 56429 NSC 6276