(-)-Praeruptorin B

(-)-Praeruptorin B

4970-26-7

C₂₄H₂₆O₇

9,10-dihydro-8,8-dimethyl-9α,10α-bis[(z)-1-oxo-2-methyl-2-butenyloxy]-2h,8h-benzo[1,2-b:3,4-b']dipyran-2-one ; (9r)-2-oxo-8,8-dimethyl-9,10-dihydro-2h,8h-benzo[1,2-b:3,4-b']dipyran-9α,10α-diol 9,10-bis[(z)-2-methyl-2-butenoate] ; [(9r,10r)-9,10-dihydro-8,8-dimethyl-2-oxo-2h,8h-benzo[1,2-b:3,4-b']dipyran-9,10-diyl]di[(z)-2-methyl-2-butenoate]