(22E)-6,7,9,10,12,13,15,16-octahydrodibenzo[n,r][1,4,7,10,13]pentaoxacyclononadecine-3,19-dicarbaldehyde InChI=1/C24H26O7/c25-17-19-1-3-21-5-6-22-4-2-20(18-26)16-24(22)31-14-12-29-10-8-27-7-9-28-11-13-30-23(21)15-19/h1-6,15-18H,7-14H2/b6-5 dibenzo[n,r][1,4,7,10,13]pentaoxacyclononadecin-3,19-dicarboxaldehyde, 6,7,9,10,12,13,15,16-octahydro-, (22E)-