Showing structure for n-[(2r,3s,4r)-4-[(9r,10r,14ar,16ar,17s,19s,20ar,20br)-17-(c-hydroxycarbonimidoyloxy)-19-methoxy-3,10,13,20b-tetramethyl-7-oxo-9h,10h,14ah,16ah,17h,18h,19h,20h,20ah-naphtho[2,1-h]oxacyclohexadecan-9-yl]-3-hydroxypentan-2-yl]ethanimidic acid