InChI=1S/C31H48O4/c1-19(11-10-14-27(2,3)35-9)20-12-16-30(7)26-21(32)17-23-28(4,5)24(34)13-15-29(23,6)25(26)22(33)18-31(20,30)8/h10,14,19-20,23-24,34H,11-13,15-18H2,1-9H3/b14-10+/t19-,20+,23+,24+,29+,30-,31+/m1/s1