84439-69-0
3,5,5-trimethyl-4,5-dihydro-1,2,4-oxadiazole
→
~40%
5426-04-0
N'-hydroxyethanimidamide,hydrochloride
60-35-5
乙酰胺
124-42-5
盐酸乙脒
1199-00-4
3-甲基-5-苯基-1,2,4-噁二唑