73297-31-1 Naphtho(2,3-c)phenanthro(2,1,10-ghi)thieno(2,3,4,5-lmn)phenanthridine-5,9,14(15H)-trione, trichloro-3-((9,10-dihydro-9,10-dioxo-1-anthracenyl)amino)-, 7,7-dioxide