PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1929298-1 1991 We describe a novel nucleoside analog, 2"-deoxy-3"-thiacytidine (BCH-189), in which the 3" carbon of the ribose ring of 2"-deoxycytidine has been replaced by a sulfur atom. Deoxycytidine 120-136 chimerin 2 Homo sapiens 65-68