1 H27 (2r)-2-[{(E)-2-[({(2r,3r,4r,5s,6r)-3-(acetylamino)-4,5-bis(acetyloxy)-6-[(acetyloxy)methyl]tetrahydro-2h-pyran-2-yl}carbamothioyl)amino]ethenyl}(biphenyl-4-ylsulfonyl)amino]-3-methylbutanoic acid 1.000 2 67F (2s)-2-{[2-({[(2r,3r,4r,5s,6r)-3-(acetylamino)-4,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2h-pyran-2-yl]carbamothioyl}amino)ethyl](biphenyl-4-ylsulfonyl)amino}-3-methylbutanoic acid (non-preferred name) 0.727