Baccharin

Chemical Name: (2R,2'R,3a'R,4'R,7'E,9'Z,18a'R)-14'-Hydroxy-11'-(1-hydroxyethyl)-3a',14a',20a'-trimethyl-3a',4',13',14',14a',15a',20',20a',21a',21b'-decahydro-2'H,16'H,18'H,19'H-spiro[oxirane-2,3'-[2,4]methanooxireno[2,3-h]oxireno[2',3':8,9][1,6,12]trioxacyclooctadecino[3,4-d]chromene]-6',16'(11'H)-dione