InChI=1/C23H26N2O3/c26-20-11-9-17(18-10-12-22(28)25-23(18)20)21(27)14-24-19-8-4-7-16(19)13-15-5-2-1-3-6-15/h1-3,5-6,9-12,16,19,21,24,26-27H,4,7-8,13-14H2,(H,25,28)/t16-,19+,21-/m0/s1/f/h26h,24-25H 9A75F2C26A9AF603