At this stage of the investigation involving Christian Nègre, there is no official list of specific chemical substances released to the public. Investigators and forensic experts are working to identify potential agents that could cause the physical symptoms described by the accusers. The process involves analyzing biological samples and environmental evidence to find a match for the reported medical effects.
Because the investigation is active and sensitive, authorities have not confirmed the exact names of the chemicals under scrutiny. Determining a match requires comparing the physiological reactions reported by the victims with known toxicological profiles. This scientific analysis is a critical part of the current legal process to verify the claims made during the investigation. For accurate updates, it is best to follow official statements from law enforcement or judicial authorities as they release information regarding the forensic findings in this specific case.