9-(4-azido-2-nitrophenyl)-5-acetamido-2,6-anhydro-2,3,5,9-tetradeoxy-9-thioglycerogalactonon-2-enoic acid

(4S,5R,6R)-5-acetamido-6-[(1S,2S)-3-(4-azido-2-nitro-3,5-ditritio-phen yl)sulfanyl-1,2-dihydroxy-propyl]-4-hydroxy-5,6-dihydro-4H-pyran-2-car boxylic acid