7,16,19-triaza-18-carbamoylmethyl-9-carboxymethyl-14-((5-methylindol-1-yl)methyl)-8,17,20-trioxo-10-(4-phosphonomethylphenyl)spiro(5.14)eicos-11-ene
7,16,19-triaza-18-carbamoylmethyl-9-carboxymethyl-14-((5-methylindol-1-yl)methyl)-8,17,20-trioxo-10-(4-phosphonomethylphenyl)spiro(5.14)eicos-11-ene