4-[3-(1-naphthalen-1-yl-ethylamino)-cyclohexyl]-N-(2-oxo-tetrahydro-furan-3-yl)-benzamide 、
4-[(1S,3S)-3-((R)-1-naphthalen-1-yl-ethylamino)-cydohexyl]-N-((R)-2-oxo-tetrahydro-furan-3-yl)-benzamide 生成 (R)-4-Hydroxy-2-{4-[(1S,3S)-3-((R)-1-naphthalen-1-yl-ethylamino)-cyclohexyl]-benzoylamino}-butyric acid