NC56701
Glycine, N,N′-[4-[[[[3-[1-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-2-propenyl]amino]thioxomethyl]amino]-1,2-cyclohexanediyl]bis[N-(carboxymethyl)-