PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 29272779-5 2018 The presented route features indium-mediated allylation with subsequent [2 + 3]-cycloaddition as key steps, leading to tetrazole-derivative of Kdo and its corresponding C-4 epimer. 1H-tetrazole 119-128 complement C4A (Rodgers blood group) Homo sapiens 169-172