SMILES: CC[NH+](CC)CCCC(C)NC1=C2C=CC(=CC2=[NH+]C=C1)Cl
Description: The molecule is a quinolinium ion obtained by protonation of the quinoline nitrogen and tertiary amino group of the antimalarial drug chloroquine. It is the major species at pH 7.3. It is a quinolinium ion and a tertiary ammonium ion. It is a conjugate acid of a chloroquine.