25.2. Hydrocarbon Rings http://www.ck12.org
FIGURE 25.12
FIGURE 25.13
Ethylbenzene.FIGURE 25.14
than one of the same substituent is present. If there are different substituents, the first in alphabetical order is given
the lower number and listed first. The structures below are called 1,2-dimethylbenzene and 1-ethyl-4-methylbenzene.