Chemical Name: 2-amino-9-(4-chloro-3-(hydroxymethyl)butyl)-1,9-dihydro-6H-purin-6-one
Synonym: Penciclovir 4-Dehydroxy 4-Chloro Impurity
Smiles: O=C1C2=C(N(CCC(CCl)CO)C=N2)N=C(N)N1
Inchi: InChI=1S/C10H15N5O3/c11-10-13-8-7(9(18)14-10)12-5-15(8)2-1-6(3-16)4-17/h5-6,16-17H,1-4H2,(H3,11,13,14,18)