What is the IUPAC name for the following compound?
S)-2-methyl-2-bromobutanone
S)-2-bromo-2-methylcyclobutanone
R)-2-bromo-2-methylcyclobutanone
S)-1-bromo-1-methyl-2-cyclobutanone
R)-1-bromo-1-methyl-2-cyclobutanone

Question

What is the IUPAC name for the following compound? 
S)-2-methyl-2-bromobutanone 
S)-2-bromo-2-methylcyclobutanone 
R)-2-bromo-2-methylcyclobutanone 
S)-1-bromo-1-methyl-2-cyclobutanone 
R)-1-bromo-1-methyl-2-cyclobutanone

Quizplus · Accepted Answer

The Answer of What is the IUPAC name for the following compound? 
S)-2-methyl-2-bromobutanone 
S)-2-bromo-2-methylcyclobutanone 
R)-2-bromo-2-methylcyclobutanone 
S)-1-bromo-1-methyl-2-cyclobutanone 
R)-1-bromo-1-methyl-2-cyclobutanone

What Is the IUPAC Name for the Following Compound