00352nam a2200133Ia 4500008004100000082001400041100002300055245003500078260004200113300001000155600001700165600001700182650001900199140113s9999 xx 000 0 und d a581.19 K9 a" Harborne,J. B. " aPerspectives in phytochemistry b"New York : Academic Press Inc, 1969" a235p. a" Swain, T." a" Swain, T." aPhytochemistry