664333-85-1 2,6,11,15,21,24-Hexaazahexacosanoic acid,23-[2-(2-amino-3,4-dioxo-1-cyclobuten-1-yl)ethyl]-6,11-bis[(1,1-dimethylethoxy)carbonyl]-26-(1H-indol-3-yl)-14,22,25-trioxo-, 1,1-dimethylethylester, (23S)- 664333-97-5 4,7-METHANO-1H-INDAZOLE-5,6-DIOL,1-ETHYL-4,5,6,7-TETRAHYDRO-,(4R,5R,6S,7S)-REL-