Key points are not available for this paper at this time.
Erythroskyrine, a nitrogen containing coloring matter of Penicillium islandicum SOPP is biosynthesized from 1 acetate (for C(25) (26)) 9 malonate (for C(2) (3) (9∼24)) and valine (for N(1) C(4∼8)).
Shibata et al. (Sat,) studied this question.