Showing structure for (r)-{[(2r,3r,4s)-2-amino-1,4-dihydroxy-3-methyl-4-(pyridin-2-yl)butylidene]amino}[(2r,3r,4r,5s)-5-(4-formyl-2-hydroxyimidazol-1-yl)-3,4-dihydroxyoxolan-2-yl]acetic acid