4,4-二甲基-2-戊炔

(E)-1-tert-butoxy-2,3,3-trimethyl-1-butene

(Z)-1-tert-butyl-2-(2,3-dimethyl-2-butylidene)cyclopropane

(E)-1-tert-butyl-2-(2,3-dimethyl-2-butylidene)cyclopropane

(Z)-1,1-dimethyl-2-(3,3-dimethyl-2-butylidene)cyclopropane