17790-81-7
methyl 4-bromo-3-oxobutanoate
→
~84%
88759-56-2
(S)-4-溴-3-羟基丁酸甲酯
88824-09-3
~79%
101703-35-9
(S)-(-)-4-溴-3-叔-丁基二甲基硅杂氧基丁酸甲酯
141942-85-0
R(-)-4-氰基-3-羟基丁酸乙酯