Which of the following provides the most thorough yet accurate description of the fatty acid shown here.
($\omega$-6) all cis-20:4 $\Delta^{5,8,11,14}$
all cis-20:4 $\Delta^{5,8,11,14}$
($\omega$-6,9,12,15) all cis-20:4 $\Delta^{5,8,11,14}$
($\omega$-6) 20:4 $\Delta^{5,8,11,14}$
($\omega$-15) all cis-20:4 $\Delta^{5}$