Spermidine  => N-acetylated spermidine (Saccharomyces cerevisiae)
spermidine  => n-acetylated spermidine (saccharomyces cerevisiae)
Spermidine  => N-acetylated spermidine (Saccharomyces cerevisiae)
spermidine  => n-acetylated spermidine (saccharomyces cerevisiae)