12-(2-Hydroxy-2-propanyl)-9-methyl-4-(3-methyl-2-buten-1-yl)-3,6-dioxo-8-oxatricyclo[7.3.1.0~2,7~]trideca-2(7),4-dien-5-yl 2-methylpropanoate

12-(2-Hydroxy-2-propanyl)-9-methyl-4-(3-methyl-2-buten-1-yl)-3,6-dioxo-8-oxatricyclo[7.3.1.0~2,7~]trideca-2(7),4-dien-5-yl 2-methylpropanoate

12-(2-Hydroxy-2-propanyl)-9-methyl-4-(3-methyl-2-buten-1-yl)-3,6-dioxo-8-oxatricyclo[7.3.1.0~2,7~]trideca-2(7),4-dien-5-yl-2-methylpropanoat

2-Méthylpropanoate de 12-(2-hydroxy-2-propanyl)-9-méthyl-4-(3-méthyl-2-butén-1-yl)-3,6-dioxo-8-oxatricyclo[7.3.1.0~2,7~]tridéca-2(7),4-dién-5-yle

Isobutyric acid 12-(1-hydroxy-1-methyl-ethyl)-9-methyl-4-(3-methyl-but-2-enyl)-3,6-dioxo-8-oxa-tricyclo[7.3.1.0^(2,7)]trideca-2(7),4-dien-5-yl ester

Propanoic acid, 2-methyl-, 3,4,5,6,7,10-hexahydro-5-(1-hydroxy-1-methylethyl)-2-methyl-8-(3-methyl-2-buten-1-yl)-7,10-dioxo-2,6-methano-2H-1-benzoxocin-9-yl ester

Erectquione C