PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9684549-2 1998 Dissociation ions specific to stereochemical differences at C2 and C4 in hexose complexes are observed in the MS2 and MS3 spectra, thus allowing unambiguous differentiation of glucose, galactose, mannose, and talose. Hexoses 73-79 MS2 Homo sapiens 110-113