126844-81-3 Imidazo(1,2-a)pyridine-3-acetic acid, 8-(acetylamino)-5,6,7,8-tetrahydro-6,7-dihydroxy-5-(hydroxymethyl)- Imidazo(1,2-alpha)pyridine-3-acetic acid, 5,6,7,8-tetrahydro-8-(acetylamino)-6,7-dihydroxy-5-(hydroxymethyl)- Nagstatin Nagstatine