2-propenoic acid, 6-[4-[(E)-(4-methoxyphenyl)azo]phenoxy]hexyl ester 6-{4-[(E)-(4-methoxyphenyl)diazenyl]phenoxy}hexyl acrylate InChI=1/C22H26N2O4/c1-3-22(25)28-17-7-5-4-6-16-27-21-14-10-19(11-15-21)24-23-18-8-12-20(26-2)13-9-18/h3,8-15H,1,4-7,16-17H2,2H3/b24-23