The molecule is a tensyuic acid that is itaconic acid which has been substituted at position 3 by a 3-(methoxycarbonyl)propyl group and in which the non-conjugated carboxy group has been converted to the corresponding methyl ester. The (+)-isomer, isolated from Aspergillus niger FKI-2342. It has a role as an Aspergillus metabolite. It is a tensyuic acid and a methyl ester.
7-methoxy-3-methoxycarbonyl-2-methylidene-7-oxoheptanoic acid