Synonyms: BETA-LAPACHONE;3,4-DIHYDRO-2,2-DIMETHYL-2H-NAPHTHO[1,2-B]PYRAN-5,6-DIONE;3,4-DIHYDRO-2,2-DIMETHYL-2H-NAPHTHOL[1,2-B]PYRAN-5,6-DIONE;2-b)pyran-5,6-dione,3,4-dihydro-2,2-dimethyl-2h-naphtho(;b-Lapachone;B-LAPACHONE,2,2-DIMETHYL-3,4-DIHYDRO-2H-BENZO[H]CHROMENE-5,6-DIONE;2,2-Dimethyl-3,4,5,6-tetrahydro-2H-naphtho[1,2-b]pyran-5,6-dione;2,2-dimethyl-3,4-dihydrobenzo[h]chromene-5,6-dione