NSC67162 Naphtho[2,3-d]-1,3-dioxole-6-carboxylic acid, 5,6,7,8-tetrahydro-7-(hydroxymethyl)-8-(tetrahydropyran-2-yloxy)-5-(3,4,5-trimethoxyphenyl)-, .gamma.-lactone Naptho[2,3-d]-1,3-dioxole-6-carboxylic acid, 5,6,7,8-tetrahydro-7-(hydroxymethyl)-8-(tetrahydropyran-2-yloxy)-5-(3,4,5-trimethoxyphenyl)-, .gamma.-lactone