(4S,5R,6R)-5-acetamido-4-(diaminomethylideneamino)-6-[(1R,2R)-2,3-dihydroxy-1-methoxypropyl]-5,6-dihydro-4H-pyran-2-carboxylic acid (4S,5R,6R)-5-acetamido-6-[(1R,2R)-2,3-dihydroxy-1-methoxy-propyl]-4-guanidino-5,6-dihydro-4H-pyran-2-carboxylic acid (4S,5R,6R)-5-acetamido-6-[(1R,2R)-2,3-dihydroxy-1-methoxypropyl]-4-guanidino-5,6-dihydro-4H-pyran-2-carboxylic acid (4S,5R,6R)-5-acetamido-4-(diaminomethylideneamino)-6-[(1R,2R)-2,3-dihydroxy-1-methoxy-propyl]-5,6-dihydro-4H-pyran-2-carboxylic acid AIDS164226 5-Acetylamino-4-(diaminomethyl-amino)-6-(2,3-dihydroxy-1-methoxy-propyl)-5,6-dihydro-4H-pyran-2-carboxylic acid AIDS-164226