1 K1N (3~{S},7~{R},10~{R},13~{S})-4-[(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]carbonyl-2-oxidanylidene-1,4-diazatricyclo[8.3.0.0^{3,7}]tridec-8-ene-13-carboxylic acid 1.000 2 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 1.000 3 EG5 (3~{S},7~{R},10~{R},13~{R})-4-[(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]carbonyl-2-oxidanylidene-1,4-diazatricyclo[8.3.0.0^{3,7}]tridec-8-ene-13-carboxylic acid 1.000 4 8TB (3~{S},7~{R},10~{R},11~{R},13~{S})-4-[(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]carbonyl-11-methyl-2-oxidanylidene-1,4-diazatricyclo[8.3.0.0^{3,7}]tridec-8-ene-13-carboxylic acid 0.980 5 8SB (3~{S},7~{R},10~{R},13~{S})-4-[[(3~{R},7~{S},10~{S},13~{R})-4-[(2~{S})-2-acetamido-3-(2-chlorophenyl)propanoyl]-2-oxidanylidene-1,4-diazatricyclo[8.3.0.0^{3,7}]tridec-8-en-13-yl]carbonyl]-2-oxidanylidene-1,4-diazatricyclo[8.3.0.0^{3,7}]tridec-8-ene-13-carboxylic acid 0.959 6 8SE (3~{S},7~{R},10~{R},13~{S})-4-[[(3~{S},7~{R},10~{R},13~{S})-4-[(2~{S})-2-acetamido-3-(2-chlorophenyl)propanoyl]-2-oxidanylidene-1,4-diazatricyclo[8.3.0.0^{3,7}]tridec-8-en-13-yl]carbonyl]-2-oxidanylidene-1,4-diazatricyclo[8.3.0.0^{3,7}]tridec-8-ene-13-carboxylic acid 0.959 7 RJQ (3~{S},7~{R},10~{R},13~{S})-4-[(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]carbonyl-2-oxidanylidene-1,4-diazatricyclo[8.3.0.0^{3,7}]tridec-8-ene-13-carboxamide 0.959 8 8V2 Methyl (3~{S},7~{R},10~{R},13~{R})-4-[(3~{S},6~{R},8~{a}~{S})-1'-[(2~{S})-2-acetamido-3-(2-chlorophenyl)propanoyl]-5-oxidanylid ene-spiro[1,2,3,8~{a}-tetrahydroindolizine-6,2'-pyrrolidine]-3-yl]carbonyl-2-oxidanylidene-1,4-diazatricyclo[8.3.0.0^{3, 7}]tridec-8-ene-13-carboxylate 0.940 9 8T5 (1~{S},4~{S},7~{R},10~{R})-14-[(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]carbonyl-2-oxidanylidene-3,14-diazatricyclo[8.4.0.0^{3,7}]tetradec-8-ene-4-carboxylic acid 0.902 10 8VK Ethyl (3~{S},7~{R},10~{R},11~{R},13~{S})-4-[(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]carbonyl-11-ethyl-2-oxidanylidene-1,4-diazatricyclo[8.3.0.0^{3,7}]tridec-8-ene-13-carboxylate 0.887 11 K0K 2-[(3~{a}~{R},6~{R},8~{a}~{S})-1-[(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]carbonyl-6-ethyl-8-oxidanylidene-3,3~{a},6,8~{a}-tetrahydro-2~{H}-pyrrolo[2,3-C]azepin-7-yl]ethanoic acid 0.778 12 K0H Methyl 2-[(3~{a}~{R},6~{R},8~{a}~{S})-1-[(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]carbonyl-6-ethyl-8-oxidanylidene-3,3~{a},6,8~{a}-tetrahydro-2~{H}-pyrrolo[2,3-C]azepin-7-yl]ethanoate 0.764