2,4-二甲基-2,3-戊二烯

2,5-dimethyl-4-propan-2-yl-3-propan-2-ylidenehexa-1,4-diene

3,3,3',3',5,5,5',5'-octamethyl-3,3',5,5'-tetrahydro-4,4'-bi(4H-pyrazolylidene)

2,2,4,4-tetramethylthietan-3-one 1,1-dioxide

1,1,2,2-tetramethyl-3,4-di(propan-2-ylidene)cyclobutane