InChI=1S/C32H50O7/c1-20(11-13-25-29(4,5)28(37)15-17-32(25,9)39-22(3)33)10-12-23(34)18-21(2)24(35)19-26-30(6,7)27(36)14-16-31(26,8)38/h10,14,16,18,23,25-26,28,34,37-38H,11-13,15,17,19H2,1-9H3/b20-10?,21-18+/t23-,25+,26+,28+,31+,32+/m1/s1