Chemical constituents from Senecio nemorensis.

To study the chemical constituents of Senecio nemorensis., 12 known compounds were isolated and identified, which were niacinamide(I), vanillin(II), syringic acid(III)，syringalddehyde(IV)，3-acetyl-4-hydroxybenzoic acid(V)，4，4-dimethyl-1，7-heptanedioic acid(VI)，1H-indole-3-carboxaldehyde(VII), ethyl caffeate(VIII)，1-O-(E)- p-methoxycinnamoyl-β-D-glucopyranoside(IX)，(6S，7E)-6-hydroxy-4，7-megastigmadien-3，9-dione(X)，Annuionone D(XI)，and （1′S，6′R）-abscisic acid(XII)，respectively.