SMILES: C1=C(NN=C1)CCN
Description: The molecule is pyrazole in which a hydrogen adjacent to one of the nitrogen atoms is substituted by a 2-aminoethyl group. It is a histamine H2-receptor agonist used clinically to test gastric secretory function. It has a role as a histamine agonist, a diagnostic agent and a gastrointestinal drug. It is a member of pyrazoles and a primary amino compound.