Lub tso suab tso suab

Aug 18, 2021

lub tso suab tso suab

Stereoisomer (stereoisomer) hais txog isomers tsim los ntawm kev sib txawv ntawm cov atoms hauv cov molecule hauv qhov chaw. Nws tuaj yeem faib ua ob hom: cis-trans isomers thiab enantiomers.


Xa kev nug