Showing structure for {[(4e,6e,10z)-3,13-dihydroxy-8,14-dimethoxy-4,10,12,16-tetramethyl-20,22-dioxo-2-azabicyclo[16.3.1]docosa-1(21),2,4,6,10,18-hexaen-9-yl]oxy}methanimidic acid