InChI=1S/C23H33NO4/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-16-19-17-15-18-20(25)21(19)22(26)24-23(27)28/h4-5,7-8,15,17-18,25H,2-3,6,9-14,16H2,1H3,(H,24,26)(H,27,28)/b5-4-,8-7-