Showing structure for (4s,5s,6s)-6-[(r)-[(2s,3s,4r,5r)-3,4-dihydroxy-5-(4-hydroxy-2-oxopyrimidin-1-yl)oxolan-2-yl](c-hydroxycarbonimidoyl)methoxy]-4,5-dihydroxy-5,6-dihydro-4h-pyran-2-carboxylic acid