6-phenyl-2,3,5,6,9,10-hexahydro-1H-4-oxa-6a-azacyclopenta[d]naphthalen-3a-ylamine

[(5S,7S)-1-[1-Cyano-meth-(E)-ylidene]-6-((R)-2-hydroxy-1-phenyl-ethyl)-6-aza-spiro[4.5]dec-7-yl]-acetic acid ethyl ester