2 4-dimethyl-3-pentanone July 8, 2019 16 32 64 128 2 4-dimethyl-3-pentanone boiling point 2 4-dimethyl-3-pentanone refractive index 2 4-dimethyl-3-pentanone molecular weight 2 4-dimethyl-3-pentanone h nmr 2 4-pentanedione 3-methyl- 2 4-dimetylopentan