156856-30-3 2H-Pyran-2-one, 5,6-dihydro-6-(6-hydroxy1,5-dimethyl-4-(phosphonooxy)-7,9,11-tridecatrienyl)-5-methyl- 5,6-Dihydro-6-(6-hydroxy-1,5-dimethyl-4-(phosphonooxy)-7,9,11-tridecatrienyl)-5-methyl-2H-pyran-2-one Cytostatin