4-Amino-3-fluoropyridine2247-88-331 % similar 4-Bromo-3-fluoropyridine2546-52-331 % similar 4-Chloro-3-fluoropyridine2546-56-731 % similar 3-Fluoro-4-methylpyridine399-88-231 % similar 2-Fluoropyrazine 984949-13-731 % similar 6-Fluoro-3,4-dihydro-3-oxo-2-pyrazinecarbonitrile356783-31-831 % similar 2,5-Difluoro-4-iodopyridine1017793-20-230 % similar 4-Fluoroisoquinoline394-67-230 % similar Quinazolinone491-36-130 % similar 4-Hydroxypyrimidine4562-27-030 % similar 4(3H)-Pyrimidinone51953-17-430 % similar