5-21-09-00007 (Beilstein Handbook Reference) 578-95-0 790240-54-9 7H-Dibenz(a,j)acrid-14-one 9(10H)-ACRIDINONE 9(10H)-Acridone 9-Acridanone 9-Acridone AI3-00868 Acridanone Acridin-9-one Acridine, 9,10-dihydro-9-oxo- Acridone BRN 0007104 CCRIS 3317 EINECS 209-434-7 NSC 408196