74-88-4
甲基碘
→
4371-04-4
2-methyl-2-prop-1-ynylpropanedioic acid
19157-51-8
diethyl 2-methyl-2-prop-1-ynylpropanedioate
498-21-5
甲基丁二酸
74064-82-7
2-methylpent-4-ynoic acid