| Benzidine (4, 4'-diaminobiphenyl) chemical. Highly carcinogenic. Used in production of dyes. White skeletal formula on dark teal gradient background with hexagonal pattern. | |
| 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 : | - |