(R)-4-Acetylamino-2-methyl-2,3-dihydro-benzofuran-7-carboxylic acid benzyl ester

(S)-4-Acetylamino-2-methyl-2,3-dihydro-benzofuran-7-carboxylic acid benzyl ester

(S)-4-Acetylamino-5-chloro-2-methyl-2,3-dihydro-benzofuran-7-carboxylic acid benzyl ester

4-amino-N-[2-(1-azabicyclo[3.3.0]octan-5-yl)ethyl]-5-chloro-2-methyl-2,3-dihydrobenzo[b]furan-7-carboxamide