porphyrilic acid
English edit
Noun edit
porphyrilic acid (uncountable)
- (lichenology, organic chemistry) A carboxylic acid derived from a lichen containing two benzofuran units with IUPAC name 4,10-dihydroxy-8-methyl-3-oxo-1H-[2]benzofuro[5,4-b][1]benzofuran-7-carboxylic acid.