3-(N-2-Ethoxyethylformimidoyl)indole 73816-47-4 Ethanamine, 2-ethoxy-N-(1H-indol-3-ylmethylene)- Indole, 3-[N-(2-ethoxyethyl)formimidoyl]- NSC221289 WLN: T56 BMJ D1UN2O2