PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24403126-3 2014 Treatment of 2 with [Au2 (dppe)2 ](2+) (dppe=1,2-bis(diphenylphosphino)ethane) leads to the formation of [Au4 Co2 (dppe)2 (D-nmp)4 ](2+) (3(2+) ), which consists of an 18-membered Au(I) 4 Co(III) 2 metallaring that accommodates a tetrahedral anion (BF4 (-) , ClO4 (-) , ReO4 (-) ). perrhenate 270-274 complement C2 Homo sapiens 110-113