Which of the following is/are not correctly matched?

Options

A. neoprene : `[-CH_(2) - underset(Cl) underset(|)(C) = CH - CH_(2) -]_(n)`
B. nylon-66 `[-NH - (CH_(2))_(6) - NH - CO - (CH_(2))_(4) - overset(O)overset(||)(C) -]_(n)`
C. terylene :
D. `PMMA : [-CH_(2) - underset(COOCH_(3))underset(|)overset(CH_(3))overset(|)(C) -]_(n)`

Answer

C

Explanation

is not correctly matched. Terylene is: