3VH 3vh (3aR,5aS,8S,10aS)-1-[(3S,6R,8aS)-1'-[(2S)-2-acetamido-3-(2-chlorophenyl)propanoyl]-5-oxidanylidene-spiro[1,2,3,8a-tetrahydroindolizine-6,2'-pyrrolidine]-3-yl]carbonyl-10-oxidanylidene-2,3,3a,5a,8,10a-hexahydrodipyrrolo[3,2-b:3',1'-f]azepine-8-carboxylic acid 3VH