Showing structure for (6s)-6-hydroxy-3-[(3e,5e,7e,9e,11e,13e,15e,17e)-18-[(4s)-4-hydroxy-2,6,6-trimethyl-3-oxocyclohex-1-en-1-yl]-3,7,12,16-tetramethyloctadeca-3,5,7,9,11,13,15,17-octaen-1-yn-1-yl]-2,4,4-trimethylcyclohex-2-en-1-one