`CH_(3) - CH_(2) - CH - overset(overset(CH(CH_(3))_(2))(|))(CH) - underset(underset(H_(3)C- CH- CH_(2) - CH_(3))(|))(CH) - CH_(2) - CH_(2) - CH_(2) - CH_(2) - CH_(3)`
Which IUPAC name is write from these name 5-sec-Butyl-4-isopropyldecane and 4-isopropyl-5-(1-methylpropyl) Decane?

Explanation

Both IUPAC name are right but in bracket name the propyl is written after methyl