(6-bromo-7-hydroxy-2-oxo-2H-chromen-4-yl)methyl (((3aR,5R,5aS,8aS,8bR)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran-5-yl)methyl) carbonate

碳酸锂

p-nitrophenyl 4-(carboxamido)phenylcarbonate

阿司匹林

1,3-二噁烷