PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 27367148-2 2017 Using click chemistry, novel haptens (linker-optimized biotinylated nandrolone (NT) and testosterone (T) at positions C-3 and C-17, respectively) were designed and synthesized to be then applied as four different immobilized competitors in a proposed set of four indirect competitive AB-ELISAs. Nandrolone 68-78 complement C3 Homo sapiens 118-121