Atromentin

15o

1<small>^4</small>,2<small>^3</small>,2<small>^6</small>,3<small>^4</small>-tetrahydroxy[1<small>^1</small>,2<small>^1</small>:2<small>^4</small>,3<small>^1</small>-terphenyl]-2<small>^2</small>,2<small>^5</small>-dione

Phenol