Chemical Name: 2-Amino-1,9-dihydro-6H-purin-6-one
Synonym: Valaciclovir USP Related Compound A ; Guanine
Smiles: O=C1C(N=CN2)=C2N=C(N)N1
Inchi: InChI=1S/C24H42O3/c1-15(5-4-12-25)18-6-7-19-22-20(9-11-24(18,19)3)23(2)10-8-17(26)13-16(23)14-21(22)27/h15-22,25-27H,4-14H2,1-3H3/t15-,16+,17-,18-,19+,20+,21+,22+,23+,24-/m1/s1