Synonyms: (2s,6ar,12ar)-6a-hydroxy-8,9-dimethoxy-2-(prop-1-en-2-yl)-1,2,12,12a-tetrahydrochromeno[3,4-b]furo[2,3-h]chromen-6(6ah)-one;AC1L4EGB;AC1Q6KP7;KST-1A0908;AR-1A3592;(1)Benzopyrano(3,4-b)furo(2,3-h)(1)benzopyran-6(6aH)-one,1,2,12,12a-tetrahydro-6a-hydroxy-8,9-dimethoxy-2-(1-methylethenyl)-, (2S-(2alpha,6abeta,12abeta))-