3,3-二甲基丁酸叔丁酯

N,N-di(butan-2-yl)-3,3-dimethylbutanamide

N,N-dihexyl-3,3-dimethylbutanamide

3-tert-butyl-5,5-dimethylhex-1-yn-3-ol

5,5-dimethyl-3-propan-2-ylhex-1-yn-3-ol