terreulactone a terreulactone a terreulactone a is a meroterpenoid isolate of aspergillus with anti-acetylcholinesterase activity. terreulactone a names iupac name (1r,4r,13r,14r,16r)-13-hydroxy-16-methoxy-8-(4-methoxyphenyl)-4,14,19,19-tetramethyl-5,9,18-trioxapentacyclononadeca-6(11),7-diene-10,15,17-trione identifiers 3d model (jsmol) interactive image chembl chembl183507 chemspider 23247880 pubchem cid 44391786 inchi inchi=1s/c28h30o9/c1-23(2)27-12-11-24(3)26(32,25(27,4)21(30)28(23,34-6)22(31)37-27)14-17-19(36-24)13-18(35-20(17)29)15-7-9-16(33-5)10-8-15/h7-10,13,32h,11-12,14h2,1-6h3/t24-,25-,26+,27-,28-/m1/s1key: aofmvucaushjli-rkfapsrvsa-n smiles c12cc34(1(cc5=c(o2)c=c(oc5=o)c6=cc=c(c=c6)oc)o)(c(=o)(c3(c)c)(c(=o)o4)oc)c except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). infobox references