Question - What sulfur-based molecule has been tested in animal models (not yet tested or approved for human use) as an intramuscularly administered cyanide antidote?
Answer- Dimethyl trisulfide (DMTS) has been tested in rodents and swine as a possible intramuscularly administered cyanide antidote. (Hendry-Hofer et al. Intramuscular dimethyl trisulfide: efficacy in a large swine model of acute severe cyanide toxicity. 2019 Clin Tox 57(4):265-270)