21055-37-8
2-异硫代氰乙酸甲酯
+
2365-48-2
巯基乙酸甲酯
→
149789-77-5
Methyl (4-oxo-2-thioxo-1,3-thiazolidin-3-yl)acetate
5718-83-2
3-羧甲基绕丹宁