In the following HWE reaction, which of following phosphates gives better E stereoselectivity?<img src="https://up.zaixiankaoshi.com/docs/2d/6e/2d6e2f1891925451eb8419c5ec44490d.png">
A、
B、
C、
D、
发布时间：2025-12-19 03:30:28
A、
B、
C、
D、
