preferred_name: Spermidine  => N-acetylated spermidine (Xenopus tropicalis)
preferred_name_lc: spermidine  => n-acetylated spermidine (xenopus tropicalis)
label: Spermidine  => N-acetylated spermidine (Xenopus tropicalis)
label_lc: spermidine  => n-acetylated spermidine (xenopus tropicalis)