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supported by National Key Technology R&D Program "New Drug Innovation" of China(Nos. 2012ZX09301002-002-002 and 2012ZX09304-005)
Three new phenanthrenes,along with one known phenanthrene,were isolated from the ethanolic extract of the tubers of Cremastra appendiculata(D.Don) Makino.Their structures were elucidated on the basis of extensive sp...
supported by the Natural Science Foundation of China(Grant No.40972089),CNPC Innovation Fund(Grant No.07E1001);the State Key Laboratory of the Petroleum Resources and Prospecting(Grant No.PRPDX2008-01)
Condensates and light oils are generally characterized by high maturity, low concentration of sterane and terpane biomarkers and low content of non-hydrocarbon fraction. As a result, some commonly-used sterane, terpan...