Similar to Aspewentin A but minus the methylene group and the presence of a carbonyl group in 2, which was located at C-14 on Aspewentin A.
Miao FP1, Liang XR, Liu XH, Ji NY. Aspewentins A-C, norditerpenes from a cryptic pathway in an algicolous strain of Aspergillus wentii. J Nat Prod. 2014 Feb 28;77(2):429-32. doi: 10.1021/np401047w. Epub 2014 Feb 5.