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+).
3-amino-4-[[(Z)-4-[4-(piperidin-1-ylmethyl)pyridin-2-yl]oxybut-2-enyl]amino]cyclobut-3-ene-1,2-dione