ethyl (2R)-2-[2-[[(1R)-2-ethoxy-2-oxo-1-(sulfanylmethyl)ethyl]amino]ethylamino]-3-sulfanyl-propanoate dihydrochloride
(3S)-2-[(2S)-2-[[(1S)-1-ethoxycarbonyl-3-phenyl-propyl]amino]propanoyl]-6,7-dimethoxy-3,4-dihydro-1H-isoquinoline-3-,