2,4,6-heptatrienoic acid, 2-azido-7-phenyl-, ethyl ester, (2Z,4E,6E)- InChI=1/C15H15N3O2/c1-2-20-15(19)14(17-18-16)12-8-4-7-11-13-9-5-3-6-10-13/h3-12H,2H2,1H3/b8-4+,11-7+,14-12 ethyl (2Z,4E,6E)-2-azido-7-phenylhepta-2,4,6-trienoate