InChI=1/C22H26N2O4/c1-22(2,3)21(27)23-17-10-6-15(7-11-17)19(25)14-28-20(26)16-8-12-18(13-9-16)24(4)5/h6-13H,14H2,1-5H3,(H,23,27)/f/h23H 6FB6CD0199F0705D