The molecule is a pyridine nucleoside comprising 4-imino-1,4-dihydro-3-pyridinecarboxylic acid as the nucleobase having the beta-ribofuranosyl moiety attached at position 1. A toxin produced by poisonous mushrooms. It has a role as a toxin and a fungal metabolite. It is a pyridine nucleoside, an imine and a pyridinemonocarboxylic acid. It derives from a D-ribosylnicotinic acid.
1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-4-iminopyridine-3-carboxylic acid