Showing structure for 2-{[(1r,2s,4as,8as)-1,2,4a,5-tetramethyl-2,3,4,7,8,8a-hexahydronaphthalen-1-yl]methyl}-6-[(3-{[(1r,2s,4as,8as)-1,2,4a,5-tetramethyl-2,3,4,7,8,8a-hexahydronaphthalen-1-yl]methyl}-4-hydroxyphenyl)amino]cyclohexa-2,5-diene-1,4-dione