InChI=1S/C25H32NO3/c1-26-17-9-8-16-23(26)20(11-10-18-26)19-29-24(27)25(28,21-12-4-2-5-13-21)22-14-6-3-7-15-22/h2-7,12-15,20,23,28H,8-11,16-19H2,1H3/q+1/t20-,23+,26?/m0/s1