5,10-cycloretinol, 5,6,7,10,11,12-hexahydro-, (5S,6S,10S,13cis)- 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/h8,11,17-18,21H,6-7,9-10,12-14H2,1-5H3/b15-11-/t17-,18-,20+/m0/s rel-(5R,6R,10R,13cis)-5,6,7,10,11,12-hexahydro-5,10-cycloretinol