e5nbfA1

;(3~{S},6~{S},7~{R},9~{a}~{R})-6-[[(3~{S},6~{R},8~{a}~{S})-1'-[(2~{S})-2-acetamido-3-(2-chlorophenyl)propanoyl]-5-oxidanylidene-spiro[1,2,3,8~{a}-tetrahydroindolizine-6,2'-pyrrolidine]-3-yl]carbonylamino]-7-methyl-5-oxidanylidene-1,2,3,6,7,9~{a}-hexahydropyrrolo[1,2-a]azepine-3-carboxylic acid ;