正式名称为8-chloro-3,7-dihydro-1,3-dimethyl-1H-purine-2,6-dione with 2-(diphenylmethoxy)-N,N-dimethylethanamine。CAS号为523-87-5。别名为Diphenhydramine 8-chlorotheophylline、NSC 117855。分子式为C24H28ClN5O3。分子量为470.0。纯度≥98%。制剂(可按要求更改配方)为固体。其SMILES为:O=C(C(NC(Cl)=N1)=C1N2C)N