.alpha.-Lapachone, dehydro- 15297-92-4 2H-Naphtho[2,3-b]pyran-5,10-dione, 2,2-dimethyl- DEHYDROPLAPACHONE Dehydro-.alpha.-lapachol Dehydro-.alpha.-lapachone Dehydro-.alpha.-lapacone Dehydrolapachone NSC106453 Xyloidone