InChI=1S/C25H25NO4/c1-26-13-12-25-17-9-11-20(29-24(27)15-6-4-3-5-7-15)23(25)30-22-19(28-2)10-8-16(21(22)25)14-18(17)26/h3-8,10-11,17-18,23H,9,12-14H2,1-2H3/t17-,18-,23+,25+/m1/s1