A new compound, 4-caffeoyl quinic acid 5-O-methyl ether (2), together with 12 known compounds--identified as (2R,3R)-pterosin L 3-O-beta-D-glucopyrannoside (3), beta-sitosterol beta-D-glucopyranoside (4), apigenin 7-O-beta-D-glucopyranoside (5), luteolin 7-O-beta-D-glucopyranoside (6), sucrose (7),