5-Methylcytosine554-01-8100 % similar 5-Methylcytosine hydrochloride58366-64-689 % similar 6-Amino-5-iodo-2(1H)-pyrimidinone1122-44-763 % similar 5-Bromocytosine2240-25-760 % similar Flucytosine2022-85-758 % similar 1,3-Dihydro-4-methyl-2H-imidazol-2-one1192-34-352 % similar Toxopyrimidine73-67-644 % similar 6-Amino-1,3,5-triazin-2(1H)-one931-86-241 % similar 4-Amino-2-methyl-5-pyrimidinemethanamine95-02-341 % similar Cytosine71-30-739 % similar Thymine65-71-435 % similar 2-Thiothymine636-26-033 % similar 4-Amino-5-methyl-2(1H)-pyridinone95306-64-233 % similar Ammelide645-93-232 % similar 5-Amino-1,3-dihydro-6-methyl-2H-benzimidazol-2-one67014-36-232 % similar 2,4-Dimethylimidazole930-62-131 % similar 2-Amino-5,6-dimethylbenzimidazole29096-75-130 % similar 5-Iodo-2-methyl-1H-imidazole73746-45-930 % similar 3-[(4-Amino-2-methyl-5-pyrimidinyl)methyl]-5-(2-hydroxyethyl)-4-methylthiazolium70-16-630 % similar 2-Chloro-5-methoxy-4-pyrimidinamine99979-77-830 % similar