1-((5,6-Dihydro-6-oxo-3-phenanthridinyl)carbonyl)pyrrolidine 39180-44-4 5-22-06-00430 (Beilstein Handbook Reference) 6-Fenantridon-3-carbossipirrolidina [Italian] BRN 0488359 Pyrrolidine, 1-((5,6-dihydro-6-oxo-3-phenanthridinyl)carbonyl)-