Showing structure for {[(1r,2s,3e,5s,6s,10s,19r,21s)-10,11,15-trihydroxy-6,21-dimethoxy-2,4,10,19-tetramethyl-8-oxo-22-oxa-12-azatricyclo[11.8.2.0¹⁷,²³]tricosa-3,11,13,15,17(23)-pentaen-5-yl]oxy}methanimidic acid