243-30-1 5,11-Desdimethylellipticine 5,11-Didemethylellipticine 5,11-Dinorellipticine 5-23-09-00359 (Beilstein Handbook Reference) 6H-Pyrido(4,3-b)carbazole BRN 0169427 Dedimethylellipticine ICIG 862 NSC 142054