5

What is the IUPAC name of $\ce{(CCl3)3CCl}?$
The answer I got was 1,1,1,2,3,3,3-heptachloro-2-(trichloromethyl)propane. But when I looked up the question online, most sources say the answer is 2-(trichloromethyl)-1,1,1,2,3,3,3-heptachloropropane, even though ‘chloro’ comes before ‘trichlorometh...