67-56-1
甲醇
+
4476-02-2
丙醛氰醇
→
~85%
29674-47-3
methyl 2-hydroxybutanoate
19947-43-4
2-acetyloxybutanoic acid
~67%
186581-53-3
重氮甲烷
20016-85-7
(R)-2-羟基丁酸
110-65-6
丁炔二醇
600-15-7
DL-2-羟基丁酸