22817-48-7 5-(1-Piperidinyl)naphtho(2,3-h)quinoline-7,12-dione 5-22-13-00350 (Beilstein Handbook Reference) AQ 229 BRN 0494660 NAPHTHO(2,3-h)QUINOLINE-7,12-DIONE, 5-(1-PIPERIDINYL)- Naphtho(2,3-h)quinoline-7,12-dione, 5-piperidino- (8CI)