127-17-3
丙酮酸
+
109216-69-5
S-3-butynylisothiosemicarbazide hydrogen iodide
→
~76%
90997-83-4
3-but-3-ynylsulfanyl-6-methyl-2H-1,2,4-triazin-5-one
23418-85-1
对甲苯磺酸 3-丁炔酯
615-76-9
6-氮杂-2-硫代胸腺嘧啶
~32%