普萘洛尔的化学结构是

A、[img=~/QImg/Tiles/YA55_60_154_
A、gif]
B、[img=~/QImg/Tiles/YA55_60_154_
B、gif]
C、[img=~/QImg/Tiles/YA55_60_154_
C、gif]
D、[img=~/QImg/Tiles/YA55_60_154_
D、gif]
E、[img=~/QImg/Tiles/YA55_60_154_
E、gif]