3-Methyl-5-(5,5,8a-trimethyl-2-methylene-decahydro-naphthalen-1-yl)-pent-2-en-1-ol 5,10-cycloretinol, 9,19-didehydro-5,6,7,8,9,10,11,12-octahydro-, (5R,10R)- 7292-96-8 InChI=1/C20H34O/c1-15(11-14-21)7-9-17-16(2)8-10-18-19(3,4)12-6-13-20(17,18)5/h11,17-18,21H,2,6-10,12-14H2,1,3-5H3/b15-11+/t17-,18?,20+/m1/s ent-Labd-8(17),13E-dien-15-ol rel-(5R,10R)-9,19-didehydro-5,6,7,8,9,10,11,12-octahydro-5,10-cycloretinol