InChI=1S/C28H37NO3/c1-17(2)14-19-16-25(3)22-11-10-18-15-28(31)20-8-6-7-9-21(20)29(28)24(30)27(18,5)26(22,4)13-12-23(25)32-19/h6-9,14,18-19,22-23,31H,10-13,15-16H2,1-5H3/t18-,19-,22-,23-,25-,26-,27+,28?/m0/s1