Are there alternatives to 4-{[(2,5-Dioxo-1-pyrrolidinyl)oxy]carbonyl}-2-(2,3,6,7,12,13,16,17-octahydro-1H,5H,11H,15H-pyrido[3,2,1-ij]quinolizino[1',9':6,7,8]chromeno[2,3-f]quinolin-4-ium-9-yl)benzoate (CAS: 216699-36-4) in synthesis?

There are several alternatives that can be used in the synthesis of this compound. Commonly, 2,5-dioxopyrrolidine derivatives can be substituted with other functional groups, such as carboxylic acids or esters, to achieve similar structural features. Additionally, using different aromatic or heterocyclic scaffolds can offer alternative routes for synthesis while maintaining the desired biological or chemical properties.