18903-17-8
2-甲基噻唑-4,5-二羧酸二乙酯
+
98-09-9
苯磺酰氯
→
18903-25-8
(2-methyl-5,7-dioxo-4H-[1,3]thiazolo[4,5-d]pyrimidin-6-yl) benzenesulfonate
18940-73-3