1,2,3,4-Butanetetracarboxylic acid, tetramethyl ester, reaction products with 1,2,2,6,6-pentamethyl-4-piperidinol and .beta.,.beta.,.beta.',.beta.'-tetramethyl-2,4,8,10-tetraoxaspiro[5.5]undecane-3,9-diethanol

2-[3-(1-hydroxy-2-methylpropan-2-yl)-2,4,8,10-tetraoxaspiro[5.5]undecan-9-yl]-2-methylpropan-1-ol;1,2,2,6,6-pentamethylpiperidin-4-ol;tetramethyl butane-1,2,3,4-tetracarboxylate

VSZKJLQCLBWNND-UHFFFAOYSA-N

CC1(CC(CC(N1C)(C)C)O)C.CC(C)(CO)C1OCC2(CO1)COC(OC2)C(C)(C)CO.COC(=O)CC(C(CC(=O)OC)C(=O)OC)C(=O)OC