4,5-Difluoro-1H-indole247564-63-243 % similar 7-Fluoro-1H-indole387-44-035 % similar 4,7-Dihydroxy-1,10-phenanthroline3922-40-534 % similar 5-Fluoro-4-iodo-1H-pyrrolo[2,3-B]pyridine1015610-23-731 % similar Hexafluorobenzene392-56-330 % similar