002953: InChI=1.12Beta/C20H30O/c1-14(2)15-6-8-17-16(12-15)7-9-18-19(3,13-21)10-5-11-20(17,18)4/h1-4H3,5H2,6H,7H2,8H,9-11H2,12H,13H2,14H,18H,21H/t18-,19+,20-/m1/s1