ISOBACCHARIN;Baccharinoid B 8;(2'S,3'R,4'S,7'R,9R,10S)-7'-Deoxo-2'-deoxy-2',3':9,10-bisoxy-9,10-dihydro-4'-hydroxy-7'-[(S)-1-hydroxyethyl]verrucarin A;Verrucarin A, 7'-deoxo-2'-deoxy-2',3':9,10-diepoxy-9,10-dihydro-4'-hydroxy-7'-[(1S)-1-hydroxyethyl]-, (2'S,3'R,4'S,7'R,9R,10S)-