PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33260358-4 2020 The HL1 ligand results from the condensation of salicylaldehyde and 1-(2-aminoethyl)piperazine, while a new organic ligand, H2L2, was formed by the dimerization of HL1 via a coupling of two piperazine rings of HL1 on a carbon atom coming from DMF solvent. Piperazine 84-94 asialoglycoprotein receptor 1 Homo sapiens 4-7