PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15549827-2 2004 Use of both the desired beta- and undesired alpha-1"-carbonate diastereomers in the Pd-catalyzed substitution was demonstrated in principle by epimerization of the alpha-diastereomer and kinetic diastereodifferentiation of a 1:1 alpha/beta mixture of 1"-carbonates. Palladium 84-86 immunoglobulin kappa variable 3D-20 Homo sapiens 223-234