2,2-Dimethylpropanethioic acid S-[4-[[(2S,3S,5R)-3-azido-5-(5-methyl-2,4-dioxo-1-pyrimidinyl)-2-oxolanyl]methoxy-[4-[(2,2-dimethyl-1-oxopropyl)thio]butoxy]phosphoryl]oxybutyl] ester

7,7'-(carbonyldiimino)bis(4-hydroxy-2-naphthalenesulfonic acid) disodium salt ; j acid urea,disodium salt 70% ; disodium 6,6'-ureylenebis[1-naphthol-3-sulfonate] ; sodium 6,6'-(1,3-ureylene) bis(1,1'-naphthol)-3,3'-sulfonate ; disodium 4-hydroxy-7-[(5-hydroxy-7-sulfonato-2-naphthyl)carbamoylamino]naphthalene-2-sulfonate ; sodium 6,6'-(1,3-ureylene) bis(1-naphthol-3-sulfonate) ; disodium 7,7'-(carbonyldiimino)bis(4-hydroxynaphthalene-2-sulphonate) ; disodium 4-hydroxy-7-[(5-hydroxy-7-sulfonato-naphthalen-2-yl)carbamoylamino]naphthalene-2-sulfonate ; disodium 4-hydroxy-7-[(5-hydroxy-7-sulfonatonaphthalen-2-yl)carbamoylamino]naphthalene-2-sulfonate