| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Used as an insecticide, this poisonous alkaloid is extracted from tobacco | nicotine | $400 | DJ | SCIENCE | 1985-05-06 | #171 | |
| C10H14N2, a colorless, intensely poisonous oily liquid in tobacco leaves | nicotine | $600 | DJ | SCIENCE | 1985-01-15 | #92 |