(4S*,4a'R*,10a'S*)-2-amino-8'-bromo-1-methyl-3',4',4a',10a'-tetrahydro-2'H-spiro[imidazole-4,10'-pyrano-[3,2-b]chromen]-5(1H)-one 、
5-氯砒啶-3-硼酸 、
2-氟-3-吡啶硼酸 生成
(4R,4a'S,10a'R)-2-amino-8'-(5-chloropyridin-3-yl)-1-methyl-3',4',4a',10a'-tetrahydro-2'H-spiro[imidazole-4,10'-pyrano[3,2-b]chromen]-5(1H)-one