由早田氏蛇根草分離出54個化合物，經由光譜分析、化學方法及文獻比對後鑑定出40個化合物的構造，分別為alkaloids 15個： harman (1)、norharman (2)、6-hydroxyharmane (3)、pumiloside (7)、strictosamide (24)、lyalosidic acid (30)、strictosidinic acid (32)、9H-b-carboline-1-carboxylic acid (81)、1-methoxycarbonyl--
carboline (82)、ophiohayatine-A (83)、1-methyl-9-carboline-3-carboxylic acid (84)、maxonine (85)、lyaloside (86)、desoxycordifolinic acid (87)、vincoside (88)；anthraquinones 8個：rubiadin (43)、ophiohayatone-C (89)、rubiadin-3-O-b-primeveroside (90)、ophiohayatone-D (91)、2-hydroxymethyl-3-methoxyanthraquinone (92)、ophiohayatone-A (93)、ophiohayatone-B (94)、1-hydroxy-2-hydroxymethyl-anthraquinone-3-O-b-glucoside (95)；benzenoids 8個：methyl p-hydroxycinnamate (98)、methyl apraben (99)、vanillin (100)、ophiorridin-C (101)、p-hydroxybenzaldehyde (102)、ophiorridin-A (103)、nonadecyl ferulate (105)、ophiorridin-B (104)：coumarins 2個：scopoletin (96)、umbelliferone (97)；chlorophylls 4個：132-hydroxy-(132-R)-phaeophytin-a (106)、aristophyll-c (107)、methyl (10S)-hydroxypheophorbide-a (108)、132-hydroxy-(132-S)-phaeophytin-a (109)及其他ursolic acid (73)、adenine (110)、nicotinamide (111)等3個，其中 (91)、(93)、(94)、(103) 為新發現之化合物；(83)、(89)、(101)、(104)為天然首次分離得到之新化合物。

A series of chromatographic separation has led to the isolation of fifty-four compounds from the methanol extract of Ophiorrhiza hayatana Ohwi. Among these isolates, forty compounds were characterized by comprehensive analyses of their 1D and 2D NMR and mass spectral data, and some of them were also supported by chemical transformation studies. They include fifteen alkaloids, namely harman (1), norharman (2), 6-hydroxyharmane (3), pumiloside (7), strictosamide (24), lyalosidic acid (30), strictosidinic acid (32), 9H-b-carboline-1-carboxylic acid (81), 1-methoxycarbonyl-b-
carboline (82), ophiohayatine-A (83), 1-methyl-9-carboline-3-carboxylic acid (84), maxonine (85), lyaloside (86), desoxycordifolinic acid (87), vincoside (88), eight anthraquinones namely rubiadin (43) , ophiohayatone-C (89), rubiadin-3-O-b-primeveroside (90), ophiohayatone-D (91), 2-hydroxymethyl-3-methoxyanthraquinone (92), ophiohayatone-A (93), ophiohayatone-B (94), 1-hydroxy-2-hydroxymethyl-anthraquinone-3-O-b-glucoside (95), eight benzenoids, namely methyl
p-hydroxycinnamate (98), methyl apraben (99), vanillin (100), ophiorridin-C (101), p-hydroxybenzaldehyde (102), ophiorridin-A (103), nonadecyl ferulate (105), ophiorridin-B (104), two coumarins, namely scopoletin (96), umbelliferone (97), four chlorophylls, namely 132-hydroxy-(132-R)-phaeophytin-a (106), aristophyll-c (107), methyl (10S)-hydroxypheophorbide-a (108), 132-hydroxy-(132-S)-phaeophytin-a (109), and three miscellaneous compounds, ursolic acid (73), adenine (110), nicotinamide (111). Among them, three compounds (91), (93), (94), (103) were new compounds, and (83), (89), (101), (104) were reported for the first time from the natural sources.

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