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![(aS)-a-[[(1S)-1-羧基乙基]氨基]苯丁酸 1-乙酯盐酸盐结构式](https://image.chemsrc.com/caspic/346/80828-26-8.png)
![(1S,2S,3S)-2-[2-(1-ethoxycarbonyl-3-phenyl-propylamino)-propionyl] -1,2,3,4-tetrahydro-isoquinoline-3-carboxylic acid tert-butyl ester结构式](https://image.chemsrc.com/caspic/369/82586-56-9.png)
![[3S-[2[R*(R*)]],3R*]-2-[2-[[1-(ethoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-3-isoquinolinecarboxylic acid, phenylmethyl ester, hydrochloride结构式](https://image.chemsrc.com/caspic/059/82586-51-4.png)
