### Question
What is the definition of nicotine?


### Answer
The definition of **nicotine** is as follows in *21 U.S.C. § 387*:

> the chemical substance named 3-(1-Methyl-2-pyrrolidinyl) pyridine or C[10]H[14]N[2], including any salt or complex of nicotine

#### Citation:
  - *21 U.S.C. § 387*
  - Heading: **CHAPTER 9-FEDERAL FOOD, DRUG, AND COSMETIC ACT > SUBCHAPTER IX-TOBACCO PRODUCTS**

