(R)-N-[((S)-1-Carbamimidoyl-2-ethoxy-piperidin-3-ylcarbamoyl)-methyl]-3-(1-carbamimidoyl-piperidin-4-yl)-2-phenylmethanesulfonylamino-propionamide 在
盐酸 作用下,
生成 (R)-N-[((S)-1-Carbamimidoyl-2-hydroxy-piperidin-3-ylcarbamoyl)-methyl]-3-(1-carbamimidoyl-piperidin-4-yl)-2-phenylmethanesulfonylamino-propionamide; TFA