PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
8687500-4	1996	Four new daunorubicin glucuronides were synthesized by coupling a glucuronide group to daunorubicin via an aliphatic (GA1 and GB1) or an aromatic (GA3, GB6) carbamate spacer, to be released by electron shift (A-type) or by ring closure (B-type).	Glucuronides	22-33	gamma-aminobutyric acid type B receptor subunit 1	Homo sapiens	126-129