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(2007/10/03)4-benzoyl-5-benzyloxycarbonyl-aminomethylcarbonylaminopyrimidine
2-hydrazino-5-phenyl-3H-pyrimido<5,4-e><1,4>diazepine
1,3-dihydro-5-phenyl-2H-pyrimido<5,4-e><1,4>diazepin-2-one
1,3-dihydro-5-phenyl-2H-pyrimido<5,4-e><1,4>diazepin-2-thione
5-amino-4-(α-hydroxybenzyl)pyrimidine