Thang, D C Carcinogenic nitrogen compounds. LVII. Hexacyclic acridines derived from phenanthrene and fluorene. [electronic resource] - Journal of the Chemical Society. Perkin transactions 1 1967 - 665-8 p. digital Publication Type: Journal Article ISSN: 0300-922X Standard No.: 10.1039/j39670000665 doi Subjects--Topical Terms: AcridinesCarcinogensChemical PhenomenaChemistryChemistry, OrganicFluorenesNitrogenOrganic Chemistry PhenomenaPhenanthrenes