Toluene-4-sulfonic acid (2R,3S,4R,5R,6S)-4-benzyloxy-5-benzyloxycarbonylamino-3-hydroxy-6-methoxy-tetrahydro-pyran-2-ylmethyl ester

Toluene-4-sulfonic acid (2R,3R,4R,5R,6S)-4-benzyloxy-5-benzyloxycarbonylamino-2-(tert-butoxycarbonylamino-methyl)-6-methoxy-tetrahydro-pyran-3-yl ester

{(S)-1-[(2S,3R,4S,6S)-4-Benzyloxy-6-(tert-butoxycarbonylamino-methyl)-2-methoxy-tetrahydro-pyran-3-ylcarbamoyl]-2-methyl-propyl}-carbamic acid benzyl ester