4-Amino-2-bromo-5-pyrimidinecarbonitrile94741-70-5100 % similar 4-Amino-2-methyl-5-pyrimidinecarbonitrile698-29-362 % similar 4-Amino-5-cyanopyrimidine16357-69-047 % similar 5-Cyanouracil4425-56-340 % similar 3-Amino-4-cyanopyrazole16617-46-235 % similar 1H-Pyrrolo[2,3-B]pyridine-3-carbonitrile4414-89-533 % similar 2-Bromobenzonitrile2042-37-731 % similar 2-Amino-5-cyanopyridine4214-73-731 % similar 4-Bromo-3-pyridinecarbonitrile154237-70-430 % similar