Two new amides (E)-N-cinnamoyl-2-methoxypiperidine (1) and (R)-1-(2-oxopyrrolidin-3-yl)-5,6-dihydropyridin-2(1H)-one (2), four new amide glucosides, retrofractosides A-D (3-6), and two new phenylpropanoid glucosides, retrofractosides E (7) and F (8), together with 24 known compounds (9-32) were