5-cyclopropyl-6-cyclopropylmethoxy-pyrazine-2-carboxylic acid 、
1-Methoxy-N,2-dimethylpropan-2-amine 以isolated (30 mg, 42.1%) as colorless sticky liquid的产率得到5-cyclopropyl-6-cyclopropylmethoxy-pyrazine-2-carboxylic acid (2-methoxy-1,1-dimethylethyl)methyl amide