19-methyl-4,13,18-trioxo-3,14,17-trioxa-5,12-diazaicos-19-en-1-yl 2-methylacrylate (non-preferred name) 2-propenoic acid, 2-methyl-, 4,13-dioxo-3,14-dioxa-5,12-diazahexadecane-1,16-diyl ester InChI=1/C20H32N2O8/c1-15(2)17(23)27-11-13-29-19(25)21-9-7-5-6-8-10-22-20(26)30-14-12-28-18(24)16(3)4/h1,3,5-14H2,2,4H3,(H,21,25)(H,22,26