InChI=1S/C20H20N2O7/c1-4-17(23)29-19(13-8-10-15(11-9-13)22(25)26)20(24)21-12-14-6-5-7-16(27-2)18(14)28-3/h4-11,19H,1,12H2,2-3H3,(H,21,24)/t19-/m0/s1 [(1S)-2-[(2,3-dimethoxyphenyl)methylamino]-1-(4-nitrophenyl)-2-oxidanylidene-ethyl] prop-2-enoate COc1cccc(CNC(=O)[C@@H](OC(=O)C=C)c2ccc(cc2)[N+]([O-])=O)c1OC COc1cccc(CNC(=O)[CH](OC(=O)C=C)c2ccc(cc2)[N+]([O-])=O)c1OC