5-Bromocytosine2240-25-7100 % similar 5-Methylcytosine554-01-860 % similar 6-Amino-5-iodo-2(1H)-pyrimidinone1122-44-758 % similar Flucytosine2022-85-758 % similar 5-Methylcytosine hydrochloride58366-64-655 % similar 6-Amino-1,3,5-triazin-2(1H)-one931-86-245 % similar 4-Amino-5-bromopyrimidine1439-10-744 % similar 1,3-Dihydro-4-methyl-2H-imidazol-2-one1192-34-342 % similar Cytosine71-30-739 % similar 5-Bromouracil51-20-735 % similar 5-Bromo-4(3H)-pyrimidinone19808-30-132 % similar Ammelide645-93-232 % similar 3,5-Dibromo-2(1H)-pyridinone13472-81-631 % similar 5-Bromo-3,4-dimethyl-2-pyridinamine374537-97-031 % similar 5-Bromo-1,7-naphthyridin-8(7H)-one67967-14-030 % similar Toxopyrimidine73-67-630 % similar