The SMILES Cn1c(=O)[nH]c2ncn(C)c2c1=O is not metabolized by CYP2D6.
The {#molecule |!}{SMILES__description} {SMILES#} is {CYP2D6_Substrate#not &NULL}{CYP2D6_Substrate__names__verb}.
1,7-dimethyl-3H-purine-2,6-dione