2-O-Methylcytosine3289-47-2100 % similar 2-Thiocytosine333-49-347 % similar Cytosine71-30-747 % similar 3-Amino-6-methoxypyridazine7252-84-840 % similar 2-Amino-4-methoxypyridine10201-73-736 % similar 2-Amino-4-methoxy-6-methyl-1,3,5-triazine1668-54-836 % similar 2-Chloro-4-methoxypyridine17228-69-236 % similar 2-Methoxypyridin-4-amine20265-39-836 % similar 2-Amino-4,6-dimethoxypyrimidine256642-28-134 % similar 2-Amino-4,6-dimethoxypyrimidine36315-01-234 % similar 4-Methoxy-1H-pyrrolo(2,3-b)pyridine122379-63-933 % similar 4-Pyridinemethanol,2-methoxy-(9ci)123148-66-333 % similar 2,4-Diaminopyrimidine156-81-033 % similar 2-Chloro-4-methoxypyrimidine22536-63-633 % similar Harmine442-51-333 % similar 3-Pyridazinamine5469-70-533 % similar 4-Aminopyrimidine591-54-833 % similar 2-(Chloromethyl)-3,4-dimethoxypyridine169905-10-633 % similar 6-Chloro-5-methoxy-4-pyrimidinamine5018-41-733 % similar 4-Chloro-6-methoxy-2-pyrimidinamine5734-64-533 % similar