běn

benzene / benzol (chemistry)

běnjī

phenyl group

xiāojīběn

nitrobenzene / benzoil nitrate (chemistry)

èrlǚběnànběnyǐsuānnà

diclofenac sodium (non-steroidal anti-inflammatory drug used to reduce swelling and as pain-killer) / also called voltaren [[扶他林]]

èrjiǎběn

xylene

èrběnlǚshèn

diphenylchloroarsine

duōlǚliánběn

polychlorinated biphenyl / PCB

tiāndōngběnbǐngèrtàizhǐ

aspartame C14H18N2O (artificial sweetener)

duìānjīběnbǐngtóng

p-aminopropiophenone

duìběnkūn

1,4-benzoquinone (chemistry) / para-benzoquinone