67-56-1
甲醇
+
165687-76-3
→
~95%
126812-13-3
methyl 3-(2-oxooxolan-3-yl)propanoate
936-83-4
3-(2-oxooxolan-3-yl)propanoic acid
126812-00-8
547-65-9
2-甲烯基丁内酯