Syria, Seymour Hersh, Chemical Weapons, Sarin, Chemical Weapons In Syria.
purpose. Investigators later obtained samples of DF from the government’s stocks, which led to the discovery of three more marker chemicals: phosphorus hexafluoride (PF6), isopropyl phosphates and isopropyl phosphorofluoridates. These were also found in samples from the scene of the 2017 sarin