(+-)-4-(4-Methyl-pent-3-enyl)-cyclohex-4-en-1r,2c-dicarbonsaeure-anhydrid, BB_NC-0463, 5-(4-methylpent-3-en-1-yl)-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione, (+-)-4-(4-methyl-pent-3-enyl)-cyclohex-4-ene-1r,2c-dicarboxylic acid-anhydride, 1,3-Isobenzofurandione,3a,4,7,7a-tetrahydro-5-(4-methyl-3-pentenyl),