duì qiǎng jī běn jiǎ suān zhǐ
paraben (chemistry)
对
duì
right; correct
羟
qiǎng
hydroxyl (radical)
基
jī
(bound form) base; foundation
苯
běn
benzene
甲
jiǎ
first of the ten Heavenly Stems 十天干[shi2 tian1 gan1]
酸
suān
sour
酯
zhǐ
ester
