PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24689992-2 2014 trans-2-Aryl-3-nitro-cyclopropane-1,1-dicarboxylates, upon treatment with BF3 OEt2, undergo ring-opening rearrangement and the Nef reaction to give aroylmethylidene malonates. boron trifluoride etherate 74-82 S100 calcium binding protein B Homo sapiens 127-130