Sigma-Aldrich 西格玛生化试剂，H6034 L-组氨酸 cell culture tested, meets EP, USP testing specifications, from non-animal source

Sigma-Aldrich 西格玛生化试剂，H6034 L-组氨酸 cell culture tested, meets EP, USP testing specifications, from non-animal source

H6034 L-组氨酸 cell culture tested, meets EP, USP testing specifications, from non-animal source