[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C][N][Branch1][Branch1][C][C][Ring1][=Branch1][C][C][=C][C][=Branch1][=Branch1][=N][C][=C][Ring1][=Branch1][O][C][/C][=C][\\C][N][C][=C][Branch1][=Branch2][C][=Branch1][C][=O][C][Ring1][Branch1][=O][N]"}, {"from": "gpt", "value": "The molecule is an aromtic ether that is 4-(piperidin-1-ylmethyl)pyridin-2-ol in which the hydroxy group has been substituted by a {(2Z)-4-[(2-amino-3,4-dioxocyclobut-1-en-1-yl)amino]but-2-en-1-yl}oxy group. It is a H2 receptor antagonist which was developed for the treatment of peptic ulcers and duodenal ulcers. It has a role as a H2-receptor antagonist and an anti-ulcer drug. It is a member of piperidines, a member of pyridines, an aromatic ether, a member of cyclobutenones, an olefinic compound, a primary amino compound and a secondary amino compound. It is a conjugate base of a pibutidine(1+)."}]