113693-20-2 Amphotericin B, N-((tetrahydro-2,3,4,5-tetrahydroxy-2H-pyran-2-yl)methyl)-, methyl ester, (2R-(2alpha,3alpha,4beta,5beta))- N-Fructosyl-amphotericin B methyl ester N-Fructosylamphotericin B methyl ester Nfabme