????λ?????? > ?????? > ?????? > ??????K > ???
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??????????????Picrasma quassioides ??D.Don?? Benn. ?????????????Indian Quassiawood Twing and Leaf
????????????????????????????????
???????????????????????????????л???????????С???????????????????????????С?9??15?????λ????????Σ???4??10cm????2??4.5cm???????????????????????????????????ɡ?????????????????????????????????????Ｐ????????4??5??????????????Σ?3??4???????????????????????????4??6???
????????????????????????????????????????
?????????????ɡ?
??????????Σ????0.5??2cm???????????????????????????????????????????ο?????????????????????????С??????????λ?????????Ρ??????ζ????
????????????????A??N??nigakilactone A??N?????????C??G??picrasin C??G????????????C??C????????????nigakinone???????????????-????-??-?????????-hydroxymethyl-??-carboline?????
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