According to IUPAC, following name is correct for structure of Q-20 why? 5-(2', 2-dimethyl butyl)-3-ethyldecane

According to IUPAC, following name is correct for structure of Q-20 wh

1.	According to IUPAC, following name is correct for structure of Q-20 why? 5-(2', 2-dimethyl butyl)-3-ethyldecane
Answer» Solution :It is not CORRECT. As the in sub branch if the NEAR by SUBSTITUENTS are more then it can not be taken as subranch