tetra-N-acetylfortimicin B

[(2R,3R,5R,6S)-4-(Benzyloxycarbonyl-methyl-amino)-2,3,6-trihydroxy-5-methoxy-cyclohexyl]-carbamic acid benzyl ester

1,2-N,O-carbonyl-4-N-(benzyloxycarbonyl)-5,6-O-cyclohexylidene-fortamine B

1,4-bis-N-(benzyloxycarbonyl)-5,6-O-cyclohexylidene-fortamine B