100568-19-2
ethyl 3-cyano-3-methylbutyrate
→
121103-57-9
3-cyano-3-methylbutanoyl chloride
19295-56-8
2,2-dimethyl-3-oxopropanenitrile
3437-29-4
3,3-dimethylpyrrolidine-2,5-dione
61892-66-8
3-氰基-3-甲基丁酰胺
121103-60-4
3,3-dimethyl-5-sulfanylidenepyrrolidin-2-one
92175-01-4
4,4-dimethyl-5-sulfanylidenepyrrolidin-2-one