2,6-di-tert-butyl-4-morpholin-4-ylmethylene-cyclohexa-2,5-dienone
diphenyl [(3,5-di-tert-butyl-4-hydroxyphenyl)(ethoxy)methyl]phosphine oxide
2,6-di-tert-butyl-4-diethoxymethyl-phenol
4-(dimethylamino)methylene-2,6-di-tert-butylcyclohexa-2,5-dien-1-one
4-(piperidino)methylene-2,6-di-tert-butylcyclohexa-2,5-dien-1-one