7-iodo-5-tosyl-2-(1,5-dimethyl-1H-pyrazol-4-yl)-5H-pyrrolo[2,3-b]pyrazine 、 7-iodo-5-tosyl-2-(1,3,5-trimethyl-1H-pyrazol-4-yl)-5H-pyrrolo[2,3-b]pyrazine 、 7-iodo-5-tosyl-2-(1-benzyl-1H-pyrazol-4-yl)-5H-pyrrolo[2,3-b]pyrazine 生成 7-(1-Benzyl-1H-pyrazol-4-yl)-2-(1,5-dimethyl-1H-pyrazol-4-yl)-5H-pyrrolo[2,3-b]pyrazine 、
7-(1-benzyl-1H-pyrazol-4-yl)-2-(1,3,5-trimethyl-1H-pyrazol-4-yl)-5H-pyrrolo[2,3-b]pyrazine 、 2,7-bis-(1-benzyl-1H-pyrazol-4-yl)-5H-pyrrolo[2,3-b]pyrazine