129741-56-6 Armillaripin Benzoic acid, 2-hydroxy-4-methoxy-6-methyl-, 3-formyl-2,2a,4a,5,6,7,7a,7b-octahydro-4a-hydroxy-6,6,7b-trimethyl-1H-cyclobut(e)inden-2-yl ester