Relmapirazin (MB-102) is a fluorescent tracer agent for real-time measurement of glomerular filtration rate[1].
References
[1] Bugaj JE, et al. Pre-clinical toxicity evaluation of MB-102, a novel fluorescent tracer agent for real-time measurement of glomerular filtration rate. Regul Toxicol Pharmacol. 2015 Jun;72(1):26-38. DOI:10.1016/j.yrtph.2015.02.018