5-22-10-00542 (Beilstein Handbook Reference) 52916-24-2 9-Ethyl-3-(1-(formylamino)ethyl)carbazole BRN 0485132 Carbazole, 9-ethyl-3-(1-(formylamino)ethyl)- FORMAMIDE, N-(1-(9-ETHYLCARBAZOL-3-YL)ETHYL)-