.beta.-D-Glucopyranose, 6-deoxy-2-O-(6-deoxy-.beta.-D-Glucopyranosyl)-, 4-acetate 1-[[2'R-[2'.alpha.[4''R*(E),5''S*], 3'.beta.,3'a.beta.,6'.beta.,7'a.beta.]]-decahydro-5''-methyl-4''-[(1-oxo-3-phenyl-2-propenyl)oxy]dispiro[oxirane-2,3'(2'H)-benzofuran-2',2''-(2H)pyran]-6'-carboxylate] 86825-99-2 B680433K366 NSC348101 PHYLLANTHOSTATIN 1,S3'-DESACETYL