2,2,4,4-tetramethylpentan-3-one (1-tert-butyl-2,2-dimethylpropylidene)hydrazone (non-preferred name) 2-propanone, oxime InChI=1/C18H36N2/c1-15(2,3)13(16(4,5)6)19-20-14(17(7,8)9)18(10,11)12/h1-12H