Drug Gene Type Source 8-Phenyltheophylline CYP1A2 Text_Mining(decreases(ethylation)) CTD 8-Phenyltheophylline CYP1A2 Text_Mining(decreases(reaction)) CTD 8-Phenyltheophylline CYP1A2 Text_Mining(decreases(activity)) CTD 8-Phenyltheophylline CYP1A2 None=None(uM) D4 PubChem