Benzidine (4, 4'-diaminobiphenyl) chemical. Highly carcinogenic. Used in production of dyes. Blue skeletal formula on white background. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Molekuul |
Taille de l’image : | 9634 px × 3628 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |