Norstictic acid

Norstictic acid
Names
	IUPAC name 5,13,17-Trihydroxy-7,12-dimethyl-9,15-dioxo-2,10,16-trioxatetracyclo[9.7.0.03,8.014,18]octadeca-1(11),3,5,7,12,14(18)-hexaene-4-carbaldehyde
	Other names Bryopogonic acid, KBio3_001409
Identifiers
CAS Number	571-67-5 ;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL228281;
ChemSpider	4528081;
PubChem CID	5379540;
CompTox Dashboard (EPA)	DTXSID30972564 ;
	InChI InChI=1S/C18H12O9/c1-5-3-8(20)7(4-19)14-9(5)16(22)26-13-6(2)12(21)10-11(15(13)25-14)18(24)27-17(10)23/h3-4,18,20-21,24H,1-2H3 Key: IEVVSJFLBYOUCJ-UHFFFAOYSA-N; InChI=1/C18H12O9/c1-5-3-8(20)7(4-19)14-9(5)16(22)26-13-6(2)12(21)10-11(15(13)25-14)18(24)27-17(10)23/h3-4,18,20-21,24H,1-2H3 Key: IEVVSJFLBYOUCJ-UHFFFAOYAA;
	SMILES CC1=CC(=C(C2=C1C(=O)OC3=C(O2)C4=C(C(=C3C)O)C(=O)OC4O)C=O)O;
Properties
Chemical formula	C18H12O9
Molar mass	372.285 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Norstictic acid is a depsidone produced as a secondary metabolites in lichens.^[1]

^ Markus Hauck; Sascha-René Jürgens; Christoph Leuschner (May 2010). "Norstictic acid: Correlations between its physico-chemical characteristics and ecological preferences of lichens producing this depsidone". Environmental and Experimental Botany. 68 (3): 309–313. doi:10.1016/j.envexpbot.2010.01.003.