2,4,9,11-tetra-tert-butyl-13,15-dioxadispiro[5.0.5⁷.3⁶]pentadeca-1,4,8,11-tetraene-3,10,14-trione

2,4,6-tritert-butyl-4-hydroxycyclohexa-2,5-dien-1-one

5,7-di-t-butyl-2-ethyl-1-oxaspiro[2.5]octa-4,7-dien-6-one

2,4,6-三叔丁基苯酚

2,6-二叔丁基-4-甲氧基苯酚