tert-butyl (R)-(4-iodo-2,3-dihydrobenzofuran-3-yl)carbamate

(2S,4R,5R)-dimethyl 5-({(R)-3-[(tert-butoxycarbonyl)amino]-2,3-dihydrobenzofuran-4-yl}ethynyl)-1-methylpyrrolidine-2,4-dicarboxylate

(2S,4R,5R)-dimethyl 5-{[(R)-3-amino-2,3-dihydrobenzofuran-4-yl]ethynyl}-1-methylpyrrolidine-2,4-dicarboxylate

(2S,4R,5R)-dimethyl 1-methyl-5-[(2aR,4S)-2a,3,4,5-tetrahydro-2H-furo[2,3,4-ij]isoquinolin-4-yl]pyrrolidine-2,4-dicarboxylate