PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17295468-2 2007 Five group 13 alkene analogues, ArX=XAr, where X = B, Al, Ga, In, and Tl, have been chosen as model reactants in this work. Alkenes 14-20 aristaless related homeobox Homo sapiens 32-35