(6e)-6-[(2e,4e,6e)-3,7-Dimethylnona-2,4,6,8-Tetraenylidene]-1,5,5-TrimethylcyclohexeneAnhydrovitamin A1trans-Anhydrovitamin AAnhydrovitamin AAnhydroretinolall-trans-Anhydroretinolall-trans-Anhydro RetinolR368(6E)-6-[(2E,4E,6E)-3,7-Dimethyl-2,4,6,8-nonatetraen-1-ylidene]-1,5,5-trimethylcyclohexene