Sentence Examples

  • On oxidation with chromic or nitric acids, or potassium permanganate, it yields nicotinic acid or (3-pyridine carboxylic acid, C 5 H 4 N CO 2 H; alkaline potassium ferricyanide gives nicotyrine, C10H10N2, and hydrogen peroxide oxynicotine, C10H14N20.
  • Chemically it is methyl-tetrahydro-nicotinic acid.
  • Trigonelline, C7H7N02, the methyl betaine of nicotinic acid, was discovered in 1885 by E.