853679-44-4
4-(5-amino-6-trimethylsilanylethynyl-pyrimidin-4-yl)-piperazine-1-carboxylic acid tert-butyl ester
→
~53%
853679-45-5
4-(5h-吡咯并[3,2-d]嘧啶-4-基)哌嗪-1-羧酸叔丁酯