186581-53-3
重氮甲烷
+
926-67-0
O-ethyl ethanethioate
→
26584-42-9
2-methyl-1,3,4-thiadiazole
58010-97-2
N-acetyl-N'-formyl-hydrazine
54044-79-0
2-溴-5-甲基-1,3,4-噻二唑