Get Best Price for82953-44-4N-[(2R,3S,4R,5S,6R)-3-Acetylamino-2-((1R,2S)-2-acetylamino-3-hydroxy-1-hydroxymethyl-propoxy)-5-((2R,3S,4R,5S,6R)-3,4-bis-acetylamino-5-hydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-6-hydroxymethyl-tetrahydro-pyran-4-yl]-acetamide