I know - I worked in a chemistry lab for Eli Lilly
Post# of 51512
The company was a precious company & work place back then.
3 man lab in the science bldng - Phd and a Master's engineer
I did the chemistry concoction and the assays..
Rat livers (fresh) and methylcholanthrene
a potent carcinogenic hydrocarbon C21H16
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