The molecule is an organic cation that is the conjugate acid of pikromycin, obtained by protonation of the tertiary amino group; major species at pH 7.3. It is an ammonium ion derivative and an organic cation. It is a conjugate acid of a narbomycin.
[(2S,3R,4S,6R)-2-[[(3R,5R,6S,7S,9R,11E,13R,14R)-14-ethyl-3,5,7,9,13-pentamethyl-2,4,10-trioxo-1-oxacyclotetradec-11-en-6-yl]oxy]-3-hydroxy-6-methyloxan-4-yl]-dimethylazanium