PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22343084-5 2012 Chemical modification of hCA II using N-bromosuccinimide indicated decrease of the number of accessible tryptophans in the presence of furosemide. Bromosuccinimide 38-56 carbonic anhydrase 2 Homo sapiens 25-31