PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33620767-2 2021 Herein, we report that, instead of using traditional encapsulation-driven processes, steric hindrance in metal coordination on the outer surface of Rh(II)-Based Metal Organic Polyhedra (Rh-MOPs) can be used to separate pyridine-based regioisomers via liquid-liquid extraction. pyridine 219-227 Rh blood group D antigen Homo sapiens 148-154