InChI=1/C28H35NO4/c1-4-28(2,3)25(30)26(31)29-20-12-11-17-23(29)27(32)33-24(22-15-9-6-10-16-22)19-18-21-13-7-5-8-14-21/h5-10,13-16,23-24H,4,11-12,17-20H2,1-3H3/t23-,24+/m0/s1 4396F59055448F72