Robuta

https://chemapps.stolaf.edu/jmol/jmol.php?model=Fc1ccc%28cc1%29N%5C3c2cc%28c%28F%29cc2C%28%3DO%29C%28%2FC%28%3DO%29O%29%3DC%2F3%29N4CCN%28C%29CC4 Fc1ccc(cc1)N\3c2cc(c(F)cc2C(=O)C(/C(=O)O)=C/3)N4CCN(C)CC4 c fn