Hangzhou Innogate Pharma Co. Ltd. has reported cyclic GMP-AMP synthase (MB21D1; cGAS) inhibitors. They are described as useful for the treatment of Aicardi-Goutieres syndrome, psoriasis, rheumatoid arthritis, systemic lupus erythematosus, myasthenia gravis, multiple sclerosis, myocardial infarction and Parkinson’s disease, among others.