Quinazolinone491-36-1100 % similar 6-Iodo-4(3H)-quinazolinone16064-08-753 % similar 7-Fluoroquinazolin-4(3H)-one16499-57-353 % similar 4-Chloro-quinazoline5190-68-152 % similar 1,2,3-Benzotriazin-4-one90-16-452 % similar Quinazolinedione86-96-450 % similar 6(5H)-Phenanthridinone1015-89-048 % similar 1(2H)-Isoquinolinone491-30-548 % similar 2-Mercapto-4(3H)-quinazolinone13906-09-747 % similar 2,3-Dihydro-1,4-phthalazinedione1445-69-846 % similar 7-Deazahypoxanthine3680-71-545 % similar 1,5-Dihydro-1-phenyl-4H-pyrazolo(3,4-d)pyrimidin-4-one21314-17-043 % similar 1,2-Benzisoxazol-3(2H)-one21725-69-942 % similar Benzisothiazolinone2634-33-542 % similar 5-Hydroxyquinoline578-67-641 % similar Phenanthridine229-87-840 % similar 6-Hydroxy-7-methoxy-4(3H)-quinazolinone179688-52-939 % similar Allopurinol315-30-039 % similar 1,5-Isoquinolinediol5154-02-939 % similar 5-Fluoropyrimidine-4,6-diol106615-61-639 % similar