PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21888549-2 2011 Model pentadecathymidylate-imidazophenazine conjugate was prepared from 5"-aminoalkyl-modified (dT)(15) by using phosphonium coupling reagent BOP in the presence of 1-hydroxybenzotriazole. Thymidine 96-98 BOP Homo sapiens 142-145