| 1-{[11-amino-3-(2-amino-2-oxoethyl)-17-benzyl-21-hydroxy-14-(4-hydroxybenzyl)-1,4,12,15,18-pentaoxooctadecahydro-1h,10h-pyrrolo[2,1-j][1,2,5,8,11,14,17]dithiapentaazacycloicosin-6-yl]carbonyl}prolyl-n<sup>5</sup>-(diaminomethylidene)ornithylglycinamide |
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