2-(7-Oxo-7H-benz(de)anthracen-1-yl)-anthra(1,9-cd)pyrazol-6-one 5-24-04-00481 (Beilstein Handbook Reference) 73791-28-3 ANTHRA(1,9-cd)PYRAZOL-6-ONE, 2-(7-OXO-7H-BENZ(de)ANTHRACEN-1-YL)- BRN 0724488 N-Bz-3-Benzanthronylpyrazolanthron [Czech] Pyron [Czech]