[(2a
E,4
E,8
E)-(5'
S,6
S,6'
R,7
S,11
R,13
S,15
S,17a
R,20
R,20a
R,20b
S)-6'
-Cyklohexyl-5',6,6',7,10,11,14,15,17a,20,20a,20b-dodekahydro-20,20b
-dihydroxi-5',6,8,19-tetrametyl-17-oxospiro[11,15-metano-2
H,13
H
,
17H-furo[4,3,2-pq][2,6]benzodioxacyklooktadecin-13,2'-[2H]pyran]-7-yl]-2,6-dideoxi-4-O-(2,6-dideoxi-3-O
-metyl-α-
L-arabino-hexapyranosyl)¡-3-O-metyl-α-L-arabino-hexopyranosid