英文名称
1,2,2,6,6-Pentamethyl-4-[3-methyl-3-[3-[2-methyl-4,4,4-tris(1,2,2,6,6-pentamethylpiperidin-4-yl)butan-2-yl]-2,4,8,10-tetraoxaspiro[5.5]undecan-9-yl]-1,1-bis(1,2,2,6,6-pentamethylpiperidin-4-yl)butyl]piperidine;tetramethyl butane-1,2,3,4-tetracarboxylate