Methyl 1-(4,6-dimethyl-2-pyrimidinyl)-1H-1,2,3-triazole-4-carboxylate1-(4,6-Dimethylpyrimidin-2-yl)-4-(methoxycarbonyl)-1H-1,2,3-triazoleMethyl 1-(4,6-dimethylpyrimidin-2-yl)-1H-1,2,3-triazole-4-carboxylate4,6-Dimethyl-2-[(4-methoxycarbonyl)-1H-1,2,3-triazol-1-yl]pyrimidine