NSC676810 Spiro[18-norandrostane-17,2'(3'H)-furan]-3,7-diol, 3-O-acetyl-7-O-(6-O-acetyl-.beta.-D-glucopyranosyl)- 4',5'-dihydro-5'-(1-.alpha.-hydroxy-2-methoxy- 2-methylpropyl)-3',4,4,8-tetramethyl-(3-.alpha.,3'-beta.,5-.alpha.,7-.alpha,17-.beta.)- Spiro[furan-2(3H),17'-gonane]-3',7'-diol, 3'-O-acetyl-7'-O-(6-O-acetyl-.beta.-D-glucopyranosyl)- 4,5-dihydro-5-(1-.alpha.-hydroxy-2-methoxy-2-methylpropyl)- 3,4',4',8',10',14'-hexamethyl-, (3-.beta.,3'-.alpha.,5'-.alpha.,7'-.alpha.,8'-.beta., 14'-.alpha.,17'-.beta.)-