InChI=1/C22H28N2O5/c1-6-27-18-12-16(13-19(28-7-2)20(18)29-8-3)21(25)23-24-22(26)17-11-14(4)9-10-15(17)5/h9-13H,6-8H2,1-5H3,(H,23,25)(H,24,26)/f/h23-24H 3E7107784D3FD0E5