InChI=1/C23H31NO4/c1-4-23(2,3)20(25)21(26)24-18-13-12-17(15-18)19(24)22(27)28-14-8-11-16-9-6-5-7-10-16/h5-7,9-10,17-19H,4,8,11-15H2,1-3H3/t17-,18+,19+/m1/s1 9C2CE01D5DA0E632