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(2007/10/02)2-amino-6-hydroxymethyl-4-(3H)-pyrido<3,2-d>pyrimidinone
6-(Acetoxymethyl)-2,4-dioxopyrido<3,2-d>pyrimidine
6-(Acetoxymethyl)-2,4-dichloropyrido<3,2-d>pyrimidine
6-(Acetoxymethyl)-4-amino-2-chloropyrido<3,2-d>pyrimidine
2,4-Dioxo-6-methylpyrido<3,2-d>pyrimidine 5-Oxide