005903: InChI=1.12Beta/C20H35NO/c1-7-10-11-18(21(8-2)9-3)19(22)16-12-14-17(15-13-16)20(4,5)6/h1-6H3,7-11H2,12-15H,18-19H,22H/t18-,19-/m1/s1