5-Iodopyrimidine31462-58-531 % similar 6-Iodo-4(3H)-quinazolinone16064-08-731 % similar 5-Iodo-3-methyl-2-pyridinamine166266-19-930 % similar 2,4-Difluoropyridine34941-90-730 % similar 2,3,6-Trifluoropyridine3512-18-330 % similar