And it's a pool that's too difficult to fully characterize, even by modern methods, and the product looks brown, like this tar here on the left. A pure compound is shown on the right, for contrast.
I to je bazen koji je preteško u potpunosti okarakterizirati, čak i pomoću modernih metoda, i proizvod izgleda smeđe, pomalo kao ovaj katran na lijevo. Čisti spoj je pokazan na desno, za usporedbu.