tert-butyl 4-(2-bromoacetyl)indole-1-carboxylate

tert-butyl 4-(2-(ethylamino)-1-hydroxyethyl)-1H-indole-1-carboxylate

1-(t-butoxycarbonyl)-4-[2-(N-chloroacetyl-N-ethyl)amino-1-hydroxyethyl]indole