PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9191963-3 1997 From this research, 3,9-bis[(ethylthio)methyl]-K-252a (8) was identified as a potent and selective neurotrophic agent in vitro as measured by enhancement of choline acetyltransferase activity in embryonic rat spinal cord and basal forebrain cultures. 3,9-bis((ethylthio)methyl)-K-252a 20-53 choline O-acetyltransferase Rattus norvegicus 157-182