134152-11-7 2H,7H-Pyrano(2,3-b)pyran-2-one, 6,8a-dihydro-5-hydroxy-4-methoxy-6,8a-dimethyl-, trans- 5-Hydroxy-4-methoxy-6,8a-dimethyl-6,7-dihydro-2H,8aH-pyrano(2,3-b)-pyran-2-one 6alpha-Chlamydosporal 6beta-Chlamydosporal Chlamydosporal Chlamydosporol trans-6,8a-Dihydro-5-hydroxy-4-methoxy-6,8a-dimethyl-2H,7H-pyrano(2,3-b)pyran-2-one