2552-55-8 4-Isoxazoline-5-acetic acid, alpha-amino-3-oxo- (8CI) 5-Isoxazoleacetic acid, alpha-amino-2,3-dihydro-3-oxo- Amanita muscaria Ibotenate Ibotenic Acid NSC 204850 alpha-Amino-2,3-dihydro-3-oxo-5-isoxazoleacetic acid