(E)-(η1-C6Me5CH2)Ta(CH=CH(CMe3))(2,6-OC6H3(i-Pr)2)2Cl

六甲基苯

3,3-二甲基-1-丁烯

(E)-1,4-di-tert-butyl-1-butene-3-yne

2,2,6,6-tetramethyl-5-methylidenehept-3-yne