1,1-dineopentylethylene oxide

2,2,4,6,6-五甲基庚烷

4-(2,2-dimethyl-propyl)-6,6-dimethyl-hept-3-en-2-one

tertiobutyl-3 neopentyl-4 pentene-4 one-2

terbutyl-3 trimetyl-4,6,6 heptene-4 one-2