SMILES: CC(=O)O[C@H]1[C@H](SC2=CC=CC=C2N(C1=O)CC[NH+](C)C)C3=CC=C(C=C3)OC
Description: The molecule is an ammonium ion resulting from the protonation of the nitrogen of the dimethylaminoethyl substituent of ent-diltiazem. The major species at pH 7.3. It has a role as a potassium channel blocker. It is a conjugate acid of an ent-diltiazem. It is an enantiomer of a diltiazem(1+).