78637-85-1
3,4-二氨基噻吩二氢溴酸盐
+
856335-90-5
oxalic acid monohydrate
→
~84%
90070-10-3
1,4-dihydrothieno[3,4-b]pyrazine-2,3-dione
95-92-1
乙二酸二乙酯
~74%
144-62-7
草酸