2,6,8-trimethyl-9-(tetrahydropyran-2-yl)purine

2-chloro-6,8-dimethyl-9-(oxan-2-yl)purine

2,6-dichloro-8-methyl-9-(tetrahydropyran-2-yl)purine

2,6-二氯-8-甲基-9H-嘌呤

2,8-dimethyl-6-phenyl-9-(tetrahydropyran-2-yl)purine