Flucytosine2022-85-7100 % similar 5-Bromocytosine2240-25-758 % similar 5-Methylcytosine554-01-858 % similar 6-Amino-5-iodo-2(1H)-pyrimidinone1122-44-756 % similar 2-Chloro-5-fluoro-4-pyrimidinamine155-10-256 % similar 5-Methylcytosine hydrochloride58366-64-653 % similar 1,3-Dihydro-4-methyl-2H-imidazol-2-one1192-34-341 % similar 6-Amino-1,3,5-triazin-2(1H)-one931-86-239 % similar Cytosine71-30-738 % similar 5-Fluorouracil51-21-834 % similar 5-Fluoro-4-iodo-1H-pyrrolo[2,3-B]pyridine1015610-23-734 % similar 5-Fluoro-4(3H)-pyrimidinone671-35-231 % similar Ammelide645-93-231 % similar 2,5-Difluoro-4-iodopyridine1017793-20-231 % similar 5-Fluoro-2-methoxy-4(3H)-pyrimidinone1480-96-230 % similar