Spiro[2H-1-benzopyran-2,2'-bicyclo[3.1.1]heptane]-6-carboxaldehyde,3,4-dihydro-5,7-dihydroxy-6',6'-dimethyl-8-(3-methyl-1-oxobutyl)-,(1'R,2R,5'S)-;(+)-Euglobal G 4;Euglobal G 4;Spiro[2H-1-benzopyran-2,2'-bicyclo[3.1.1]heptane]-6-carboxaldehyde,3,4-dihydro-5,7-dihydroxy-6',6'-dimethyl-8-(3-methyl-1-oxobutyl)-, [1'R-(1'a,2'b,5'b)]-;Spiro[2H-1-benzopyran-2,2'-bicyclo[3.1.1]heptane]-6-carboxaldehyde, 3,4-dihydro-5,7-dihydroxy-6',6'-dimethyl-8-(3-methyl-1-oxobutyl)-, (1'R,2R,5'S)-