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N-[(r)-1-(2-chloro-acetyl)-pyrrolidin-3-yl]-n-ethyl-acetamide

N-[(s)-1-(2-chloro-acetyl)-pyrrolidin-2-ylmethyl]-n-methyl-acetamide

N-[1-(2-chloro-acetyl)-pyrrolidin-3-ylmethyl]-n-methyl-acetamide

N-[1-(2-chloro-acetyl)-pyrrolidin-3-yl]-n-ethyl-acetamide

N-[(s)-1-(2-chloro-acetyl)-pyrrolidin-3-yl]-n-ethyl-acetamide

N-[1-(2-chloro-acetyl)-pyrrolidin-2-ylmethyl]-n-ethyl-acetamide

N-[(s)-1-(2-chloro-acetyl)-pyrrolidin-2-ylmethyl]-n-ethyl-acetamide

N-[1-(2-chloro-acetyl)-pyrrolidin-3-ylmethyl]-n-ethyl-acetamide

N-[1-(2-chloro-acetyl)-pyrrolidin-3-yl]-n-isopropyl-acetamide

N-[(r)-1-(2-chloro-acetyl)-pyrrolidin-3-yl]-n-isopropyl-acetamide