InChI=1/C25H28N2O4/c1-2-3-4-7-16-31-23-11-6-5-10-22(23)25(29)27-20-14-12-19(13-15-20)24(28)26-18-21-9-8-17-30-21/h5-6,8-15,17H,2-4,7,16,18H2,1H3,(H,26,28)(H,27,29)/f/h26-27H D571490ACA08458A