N-(4-acryloyl-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)-1'-oxo-2',3'-dihydro-1'H-spiro[cyclobutane-1,4'-pyrazino[1,2-a]indole]-7'-carboxamide 、
N-(4-amino-2-(piperidin-1-yl)thiazol-5-yl)acrylamide 生成 N-(5-acrylamido-2-(piperidin-1-yl)thiazol-4-yl)-1'-oxo-2',3'-dihydro-1'H-spiro[cyclobutane-1,4'-pyrazino[1,2-a]indole]-7'-carboxamide