(3R,4S)-1-[(benzyloxy)carbonyl]-4-ethylpyrrolidine-3-carboxylic acid
purity≥98%ee≥99%
(3R,4S)-3-(2-Bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylic acid phenylmethyl ester
8-((3R,4S)-4-ethylpyrrolidin-3-yl)-3H-imidazo [1,2-a]pyrrolo[2,3-e]pyrazine Hydrochloride（1:2）