15,35,55,75,95,115,135,155-octa-tert-butyl-1,3,5,7,9,11,13,15(1,3)-octabenzenacyclohexadecaphan-12,32,52,72,92,112,132,152-octaol compound with 2,2,6,6-tetramethylpiperidin-4-amine (1:1)

p-tert-butylcalix[8]arene - triethylamine 1:1 adduct

15,35,55,75,95,115,135,155-octa-tert-butyl-1,3,5,7,9,11,13,15(1,3)-octabenzenacyclohexadecaphan-12,32,52,72,92,112,132,152-octaol compound with cyclohexanamine (1:1)

三聚甲醛

4-叔丁基苯酚