Robuta

https://www.chemnet.com/cas/en/6313-54-8/2-Chloroisonicotinic-acid.html
carboxylic acidchloropyridine
https://www.rcsb.org/structure/5MGL
Crystal Structure of BAZ2A bromodomain in complex with 4-chloropyridine derivative 3
rcsb pdbcrystal structurebromodomaincomplex