xanthatin

叶黄制菌素

释义与例句

n.
  1. 1.

    The sesquiterpenoid xanthanolide (3~{a}~{R},7~{S},8~{a}~{S})-7-methyl-3-methylidene-6-[(~{E})-3-oxobut-1-enyl]-4,7,8,8~{a}-tetrahydro-3~{a}~{H}-cyclohepta[b]furan-2-one present in Xanthium strumarium leaves.

    不可数 化学