InChI=1/C23H21NO3/c1-3-21(25)24-16-12-13-17-18(14-16)23(15-8-5-4-6-9-15)27-20-11-7-10-19(26-2)22(17)20/h4-14,23H,3H2,1-2H3,(H,24,25)/t23-/m0/s1/f/h24H 67D710B66EF63803