4-(N-(N-(4-(N-(2-methyl-4-oxo-3,4,7,8-tetrahydro-6H-cyclopenta(g)quinazolin-6-yl)-N-(prop-2-ynyl)amino)benzoyl)-gamma-glutamyl)amino)-4-(5-tetrazolyl)butyric acid
4-(n-(n-(4-(n-(2-methyl-4-oxo-3,4,7,8-tetrahydro-6h-cyclopenta(g)quinazolin-6-yl)-n-(prop-2-ynyl)amino)benzoyl)-gamma-glutamyl)amino)-4-(5-tetrazolyl)butyric acid