PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31313599-3 2021 The novel compound 1 represents the first 3,4-dihydroisocoumarin bearing a 2-hydroxyisopropyl substituent at C-3. isochroman-1-one 42-64 complement C3 Homo sapiens 109-112