Synonyms: 1H,7H-Cyclopropa[c]benzofuran-4,7(3aH)-dione,5-(1-chloro-1-propenyl)-1a,2-dihydro-3a-hydroxy-2,2-dimethyl-, [1aR-[1aa,3ab,5(Z),7aS*]]-;1H,7H-Cyclopropa[c]benzofuran-4,7(3aH)-dione,5-[(1Z)-1-chloro-1-propenyl]-1a,2-dihydro-3a-hydroxy-2,2-dimethyl-,(1aR,3aS,7aS)- (9CI); (+)-Mycorrhizin A; Mycorrhizin A