It is distinguishable by its UV-Vis spectra with maxima at 257, 296, and 430 nm.
The variants cyclovariegatin-pentaacetate, cyclovariegatin-2,3',8-triacetate, and cyclovariegatin-2-acetate have also been described.
It is derived from atromentin.
[3] It has been isolated from the browned skin of Suillus grevillei var.
badius, and becomes the pigment thelephoric acid.