6F81:
reference: Efficacy of aldose reductase inhibitors is affected by oxidative stress induced under X-ray irradiation., Castellvi A, Crespo I, Crosas E, Camara-Artigas A, Gavira JA, Aranda MAG, Pares X, Farres J, Juanhuix J, Sci Rep. 2019 Feb 28;9(1):3177. doi: 10.1038/s41598-019-39722-0. PMID: 30816220

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).