InChI=1S/C27H37NO4/c1-6-16(2)13-17(3)14-19(5)26-18(4)7-12-23(32-26)24-25(30)22(15-28-27(24)31)20-8-10-21(29)11-9-20/h8-11,14-18,23,26,29H,6-7,12-13H2,1-5H3,(H2,28,30,31)/b19-14+/t16-,17+,18+,23-,26+/m0/s1