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.
Ani s moderními metodami ji neumíme zcela postihnout. Byl to takový hnědý dehet jako tady vlevo. To vpravo je pro srovnání čistá verze téhož.