4-Cyclohexene-1,3-dione,4-[1-(ethoxyimino)ethyl]-5-hydroxy-2,2,6,6-tetramethyl-
4-Cyclohexene-1,3-dione,4-[1-(ethoxyimino)ethyl]-5-hydroxy-2,2,6,6-tetramethyl- ·
4-Cyclohexene-1,3-dione,4-[1-(ethoxyimino)ethyl]-5-hydroxy-2,2,6,6-tetramethyl- ·