InChI=1/C23H28N2O4/c1-17-3-5-18(6-4-17)22(26)19-11-14-25(15-12-19)23(27)24-13-16-29-21-9-7-20(28-2)8-10-21/h3-10,19H,11-16H2,1-2H3,(H,24,27)/f/h24H DDE74977AE4CB5D4