Dihydropyridine

Dihydropyridine is a molecule based upon pyridine, and the parent of a class of molecules that have been semi-saturated with two substituents replacing one double bond. They are particularly well known in pharmacology as L-type calcium channel blockers.

Examples include:
 * Amlodipine
 * Felodipine
 * Nicardipine
 * Nifedipine
 * Nimodipine