4,4'-[(16E)-6,7,9,10-tetrahydrodibenzo[h,l][1,4,7]trioxacyclotridecine-3,13-diyldi(E)ethene-2,1-diyl]bis(2,5-dipropoxybenzaldehyde) InChI=1/C48H54O9/c1-5-19-52-45-31-41(33-49)47(54-21-7-3)29-39(45)15-11-35-9-13-37-17-18-38-14-10-36(28-44(38)57-26-24-51-23-25-56-43(37)27-35)12-16-40-30-48(55-22-8-4)42(34-50)32-46(40)53-20-6-2/h9-18,27-34H,5-8,19-26H2,1-4H3/b15-11+,16-12+,18-17 benzaldehyde, 4,4'-[[(16E)-6,7,9,10-tetrahydrodibenzo[h,l][1,4,7]trioxacyclotridecin-3,13-diyl]di(E)-2,1-ethenediyl]bis[2,5-dipropoxy-