3H-Diazirine-3-nonanamide, N-[(1S,2R,3E)-1-[[[O-β-D-galactopyranosyl-(1→3)-O-2-(acetylamino)-2-deoxy-β-D-galactopyranosyl-(1→4)-O-[N-acetyl-α-neuraminosyl-(2→3)]-O-β-D-galactopyranosyl-(1→4)-β-D-galactopyranosyl]oxy]methyl]-2-hydroxy-3-heptadecen-1-yl]-3-(4-pentyn-1-yl)-, ammonium salt (1:1)