主题：【悬赏帖】求助SD文献5篇，谢谢！

1
Lignans and aporphine alkaloids in bark of Liriodendron tulipifera
Phytochemistry, Volume 17, Issue 4, 1978, Pages 779-782
Chen Chen-Loung, Chang Hou-Min
http://www.sciencedirect.com/science/article/pii/S0031942200942262
2
Formation of liriodendritol in Liriodendron tulipifera
Phytochemistry, Volume 27, Issue 3, 1988, Pages 773-774
Peter Dittrich, Norbert Schilling
http://www.sciencedirect.com/science/article/pii/0031942288840913
3
Geographic variation in the essential oil monoterpenes of Liriodendron tulipifera L
Biochemical Systematics and Ecology, Volume 16, Issues 7-8, 14 December 1988, Pages 627-630
Andrew L. Smith, Charles L. Campbell, Douglas B. Walker, James W. Hanover, Raymond O. Miller
http://www.sciencedirect.com/science/article/pii/0305197888900750
4
2-C-methyl-d-erythritol in leaves of Liriodendron tulipifera
Phytochemistry Volume 27, Issue 3, 1988, Pages 935
Peter Dittrich, Stephen J. Angyala
http://www.sciencedirect.com/science/article/pii/0031942288841256
5
(+)- and (-)-liriodenol, a pair of novel enantiomeric lignans from Liriodendron hybrid
Bioorganic & Medicinal Chemistry Letters Volume 25, Issue 9, 1 May 2015, Pages 1976-1978
Dong-Ting Yanga, d, ↑, Sen-Sen Linb, ↑, Jin-Hui Chenc, ↑, Sheng-Tao Yuanb, Ji-Sen Shic, , , Jun-Song Wanga, Ai-Qun Jiaa, ,
http://www.sciencedirect.com/science/article/pii/S0960894X15002115
谢谢~