4-(1,1-dimethylethyl)-4-hydroxy-2,2,5,5-tetramethyl-3-hexyl N-(4-toluenesulfonyl)carbamate

3,3-二甲基-2-氧代丁酸甲酯

異丙基三級丁基酮

(±)-methyl 2-hydroxy-2,3,3-trimethylbutanoate

2,4-dimethyl-3-iodo-2-pentene