ammonium 5-acetamido-2,3-didehydro-2,3,4,5-tetradeoxy-4-(triphenylphosphoranylideneamino)-D-glycero-D-talo-2-nonulopyranosidonate

ammonium 5-acetamido-4-azido-2,3-didehydro-2,3,4,5-tetradeoxy-D-glycero-D-talo-2-nonulopyranosidonate