SMILES: [H+].CN1C=C(C2=CC=CC=C21)C3=NC(=NC=C3)NC4=C(C=C(C(=C4)NC(=O)C=C)N(C)CCN(C)C)OC
Description: The molecule is an organic cation obtained by protonation of osimertinib. It is an ammonium ion derivative and an organic cation. It is a conjugate acid of an osimertinib.