3-hydroxy-2,2,4,4-tetramethylcyclobutanone 4916-59-0 InChI=1/C8H14O2/c1-7(2)5(9)8(3,4)6(7)10/h5,9H,1-4H cyclobutanone, 3-hydroxy-2,2,4,4-tetramethyl-