主题：【悬赏帖】求助文献5篇(SD+ACS)，谢谢！

1
Antibacterial constituents from the berries of Piper nigrum
Phytomedicine, Volume 11, Issues 7–8, 25 November 2004, Pages 697-700
S. Venkat Reddy, Pullela V. Srinivas, B. Praveen, K. Hara Kishore, B. China Raju, U. Suryanarayana Murthy, J. Madhusudana Rao
http://www.sciencedirect.com/science/article/pii/S0944711304000170
2
Two new alkaloids, pipercyclobutanamides A and B, from Piper nigrum
Tetrahedron Letters, Volume 42, Issue 13, 26 March 2001, Pages 2497-2499
Yasuhiro Fujiwara, Kaname Naithou, Tomoko Miyazaki, Keiji Hashimoto, Kazuo Mori, Yasuo Yamamoto
http://www.sciencedirect.com/science/article/pii/S004040390100209X
3
Isopiperolein B: an alkamide from Piper nigrum
Phytochemistry, Volume 52, Issue 5, November 1999, Pages 957-958
P.V Srinivas, J.Madhusudana Rao
http://www.sciencedirect.com/science/article/pii/S0031942299002873
4
Structural and Sensory Characterization of Key Pungent and Tingling Compounds from Black Pepper (Piper nigrum L.)
Corinna Dawid, Andrea Henze, Oliver Frank, Anneke Glabasnia, Mathias Rupp, Kirsten Büning, Diana Orlikowski, Matthias Bader, and Thomas Hofmann
J. Agric. Food Chem., 2012, 60 (11), pp 2884–2895
http://pubs.acs.org/doi/full/10.1021/jf300036a
5
Evaluation of Constituents of Piper retrofractum Fruits on Neurotrophic Activity
Miwa Kubo, Rina Ishii, Yoichi Ishino, Kenichi Harada, Nobuaki Matsui, Masaaki Akagi, Eishin Kato, Shinya Hosoda, and Yoshiyasu Fukuyama
J. Nat. Prod., 2013, 76 (4), pp 769–773
http://pubs.acs.org/doi/full/10.1021/np300911b