InChI=1S/C47H74O5/c1-4-6-8-10-12-14-16-18-20-22-24-26-28-30-32-34-39-36-40(48)37-42(49)43(39)44-41(47(52)46(51)38(3)45(44)50)35-33-31-29-27-25-23-21-19-17-15-13-11-9-7-5-2/h18-21,36-37,48-50H,4-17,22-35H2,1-3H3/b20-18-,21-19-