170288-58-1
→
~95%
15291-77-7
银杏内酯B
130523-06-7
~73%
173102-79-9
130523-05-6
1-O-(tert-Butyldiphenylsilyl)-7-O-(phenyloxythiocarbonyl)ginkgolid C
130523-04-5
145497-38-7
145497-37-6
15291-76-6
银杏内酯C
145473-36-5