Showing structure for {[(1r,2s,3e,5s,6s,10s,18r,19s,21s)-10,11,15-trihydroxy-6,18,21-trimethoxy-2,4,10,19-tetramethyl-8-methylidene-22-oxa-12-azatricyclo[11.8.2.0¹⁷,²³]tricosa-3,11,13(23),16-tetraen-5-yl]oxy}methanimidic acid