1 1AD (1s)-2-[(2s,5r)-2-(aminomethyl)-5-prop-1-yn-1-ylpyrrolidin-1-yl]-1-cyclopentyl-2-oxoethanamine 1.000 2 AIA (1s)-2-[(2s,5r)-2-(aminomethyl)-5-ethynylpyrrolidin-1-yl]-1-cyclopentyl-2-oxoethanamine 0.947