InChI=1/C26H28N2O2/c1-3-19(2)28-25(27-24-15-8-7-14-23(24)26(28)29)21-12-9-13-22(18-21)30-17-16-20-10-5-4-6-11-20/h4-15,18-19,25,27H,3,16-17H2,1-2H3/t19-,25-/m0/s1 D923343D286B43FB