184294-05-1

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 salt