6-metil-2-tritil-1,2-benzoksazol-3(2H)-on
(1R)-1,2-anhydro-4-C-(1E,3E)-4-[(1S,2S,3E,5R,6R,9R)-5-(1-karboxylato-4-cykloheptylpiperazín-2-yl)-6,9-dihydroxy-2,6-dimetyl-11-oxooxacyklododec-3-én-1-yl]penta-1,3-dien-1-yl-3,5-dideoxy-1-[(2R,3S)-3-hydroxypentán-2-yl]-D-erytropentitol