(1R,2R,3S,4R,6S)-4,6-diamino-2,3-dihydroxycyclohexyl 2,6-diamino-2,3,6-trideoxy-α-D-ribo-hexopyranoside
(1r,2r,3s,4r,6s)-4,6-diamino-2,3-dihydroxycyclohexyl 2,6-diamino-2,3,6-trideoxy-α-d-ribo-hexopyranoside