10-(9-Oxo-9H-naphth(3,2,1-kl)acridin-2-yl)naphth(2,3-c)acridine-5,8,14(13H)-trione 61814-46-8 6451-09-8 EINECS 229-251-6 Naphth(2,3-c)acridine-5,8,14(13H)-trione, 10-(9-oxo-9H-naphth(3,2,1-kl)acridin-2-yl)-