Cyclic compounds (1)
4-hydroxybenzophenone, ion(1-) · para-hydroxybenzophenone
Pyrazine is a heterocyclic aromatic organic compound with the chemical formula C4H4N2. Pyrazine is a symmetrical molecule with point group D2h. Pyrazine is less basic than pyridine, pyridazine and pyrimidine.
4-Aminoquinoline is a form of aminoquinoline with the amino group at the 4-position of the quinoline. A variety of derivatives of 4-aminoquinoline are antimalarial agents useful in treating erythrocytic plasmodial infections. Examples include amodiaquine, chloroquine, and hydroxychloroquine.