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                        Thiourea, N-6-O-(N-acetyl-.alpha.-neuraminosyl)-(2?6)-O-.beta.-D-galactopyranosyl-(1?4)-2-(acetylamino)-2-deoxy-.beta.-D-glucopyranosyloxyhexyl-N-(3,6-dihydroxy-3-oxospiroisobenzofuran-1(3H),9-9Hxanthen-5-yl)-, disodium saltCAS:184294-04-0Formula:C52H66N4O24S.2Na 
                     
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                        Thiourea, N-6-O-(N-acetyl-.alpha.-neuraminosyl)-(2?3)-O-.beta.-D-galactopyranosyl-(1?4)-2-(acetylamino)-2-deoxy-.beta.-D-glucopyranosyloxyhexyl-N-(3,6-dihydroxy-3-oxospiroisobenzofuran-1(3H),9-9Hxanthen-5-yl)-, disodium saltCAS:184294-05-1Formula:C52H66N4O24S.2Na 
                     
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                        Thiourea, N-6-O-(N-acetyl-.alpha.-neuraminosyl)-(2?3)-O-.beta.-D-galactopyranosyl-(1?3)-2-(acetylamino)-2-deoxy-.beta.-D-glucopyranosyloxyhexyl-N-(3,6-dihydroxy-3-oxospiroisobenzofuran-1(3H),9-9Hxanthen-5-yl)-, disodium saltCAS:184294-06-2Formula:C52H66N4O24S.2Na