6-chloro-3-methylindole-2-carboxylate

tert-butyl 6-chloro-3-methyl-1H-indole-1-carboxylate

ethyl 6-chloro-3-methyl-1H-indole-2-carboxylate

tert-butyl 3-(bromomethyl)-6-chloro-1H-indole-1-carboxylate

(3S,6R)-3-[[1-(tert-butyloxycarbonyl)-6-chloro-3-indolyl]methyl]-3,6-dihydro-6-isopropyl-2,5-diethoxypyrazine