InChI=1S/C28H48OSe/c1-18(2)7-6-8-19(3)26-11-12-27-25-15-20(17-30-5)24-16-21(29)9-10-22(24)23(25)13-14-28(26,27)4/h18-21,23,25-27,29H,6-17H2,1-5H3/t19-,20+,21+,23-,25-,26-,27+,28-/m1/s1/i30-4