bisbenzylisoquinoline alkaloid bis-benzylisoquinoline alkaloid PMID:1955879 PMID:2191354 bis(benzylisoquinoline) alkaloids CHEBI:133004 A type of benzylisoquinoline alkaloid whose structures are built up of two benzylisoquinoline units linked by ether bridges. Various structural patterns resulting from additional bridging between the two units by direct carbon-carbon bridging or by methylenedioxy groups are common. chebi_ontology bis-benzylisoquinoline alkaloids bis(benzylisoquinoline) alkaloid bisbenzylisoquinoline alkaloids PMID:3323421 benzylisoquinoline alkaloid