PMID-sentid Pub_year Sent_text compound_name comp_offset prot_official_name organism prot_offset 23790021-2 2013 Using the Neber approach, beta-ketoxime-1H-tetrazoles were converted into the target 2H-azirines bearing phenyl, furan-2-yl, thiophen-2-yl, or pyrrol-2-yl substituents at C-3. beta-ketoxime-1h-tetrazoles 26-53 complement C3 Homo sapiens 171-174