Showing structure for (2r)-4-[({[(2r,3s,4r,5r)-5-(6-aminopurin-9-yl)-4-hydroxy-3-(phosphonooxy)oxolan-2-yl]methoxy(hydroxy)phosphoryl}oxy(hydroxy)phosphoryl)oxy]-n-(2-{[2-(formylsulfanyl)ethyl]-c-hydroxycarbonimidoyl}ethyl)-2-hydroxy-3,3-dimethylbutanimidic acid