carbon group molecular entity Decursin KNApSAcK:C00002465 0 328.360 InChI=1S/C19H20O5/c1-11(2)7-18(21)23-16-9-13-8-12-5-6-17(20)22-14(12)10-15(13)24-19(16,3)4/h5-8,10,16H,9H2,1-4H3/t16-/m0/s1 Decursin CHEBI:4353 chebi_ontology KEGG:C09258 CAS:5928-25-6 C19H20O5 CUKSFECWKQBVED-INIZCTEOSA-N 328.13107 CC(C)=CC(=O)O[C@H]1Cc2cc3ccc(=O)oc3cc2OC1(C)C