3H-Cyclopenta(2,3)cyclopropa(1,2-g)benzofuran-3,7(6H)-dione, 3a,3b,4,5,5a,8a-hexahydro-3a,3b,6-trimethyl-, (3aR-(3aalpha,3bbeta,5abeta,6beta,8aalpha,8bR*))- 467-41-4 Lumisantonin NSC 125345