Background:

Methyl piliformate is a lichen metabolite that has been found inLecanora nipponica.¹

1.Takenaka, Y., Hamada, N., and Takao, T.Two aliphatic acid derivatives from the cultured mycobionts of Lecanora nipponicaZeitschrift fuer Naturforschung, B: Chemical Sciences60(12)1324-1326(2005)