.alpha.-Conidendrol 2316-10-1 CONIDENDROL, ALPHA, DIHYDRATE NSC11870 Naphtho[2,3-c]furan-1(3H)-one, 4-(3,4-dihydroxyphenyl)-3a,4,9,9a-tetrahydro-6,7-dihydroxy- Naphtho[2,3-c]furan-1(3H)-one, 4-(3,4-dihydroxyphenyl)-3a,4,9,9a-tetrahydro-6,7-dihydroxy-, [3aR-(3a.alpha.,4.alpha.,9a.beta.)]-