28-[2-carboxy-3-(carboxymethyl)-1-methyl-3h-benzo[e]indol-5-yl]-18-(carboxymethyl)-2,11-difluoro-20-methyl-6,7,14,15,23,24-hexahydro-18h-13,25-(ethanoiminoethano)dibenzo[14,15:8,9][1,4,10,13,7,16]tetraoxadiazacyclooctadecino[2,3-f]indole-19-carboxylic aci |
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