SMILES: C[NH+]1CC[C@]23[C@@H]4[C@H]1CC5=C2C(=C(C=C5)OC)O[C@H]3[C@H](C=C4)O
Description: The molecule is the conjugate acid of codeine arising from protonation of the tertiary amino group; major species at pH 7.3. It is a conjugate acid of a codeine.