((2R,3S,4S,5R,6R)-4,5-Diamino-3,6-bis-benzyloxy-tetrahydro-pyran-2-yl)-methanol .Beta.-D-Allopyranoside, phenylmethyl 2,3-diamino-2,3-dideoxy-4-O-(phenylmethyl)- AIDS-107065 AIDS107065 Diaminopyranoside