英文别名(9R,10R)-8,8-Dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromene-9,10-diyl (2Z,2'Z)-bis(2-methylbut-2-enoate); (-)-Praeruptorin B; 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]; 2-Butenoic acid, 2-methyl-, 1,1'-[(9R,10R)-9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9,10-diyl] ester, (2Z,2'Z)-; (9R,10R)-8,8-dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromene-9,10-diyl (2Z,2'Z)-bis(2-methyl-2-butenoate) 
