Showing structure for (1s,2r)-4-[(3e,5e,7e,9e,11e,13e,15e)-18-[(4r)-4-hydroxy-2,6,6-trimethylcyclohex-1-en-1-yl]-3,7,12,16-tetramethyloctadeca-3,5,7,9,11,13,15-heptaen-1,17-diyn-1-yl]-3,5,5-trimethylcyclohex-3-ene-1,2-diol