shuāng lǜ fēn suān nà
diclofenac sodium, a non-steroidal anti-inflammatory drug used to reduce swelling and as painkiller
also called voltaren 扶他林
双
shuāng
two
氯
lǜ
chlorine (chemistry)
芬
fēn
perfume
酸
suān
sour
钠
nà
sodium (chemistry)