You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Nerve gases include all, except and explain in detail?
Tabun, Sarin, Soman, Cyclosarin are some examples of the nerve agents. Bromo Benzyl Cyanide is a tear gas. Ref - Krishnan Vij 5th edition pg 554-556