主题：【已应助】英文文献求助，谢谢

【序号】1
【作者】Larry Yet
【题目】Five-membered ring systems: with more than one N atom
【期刊】Progress in Heterocyclic Chemistry
【年卷期页】Volume 13, 2001,Pages 167-187
【全文链接】http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B8GXG-4P3KSDT-B&_user=10&_coverDate=12%2F31%2F2001&_rdoc=1&_fmt=high&_orig=search&_sort=d&_docanchor=&view=c&_searchStrId=1341558436&_rerunOrigin=google&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=0b8744ad2ec81377b7a6a36c00f6b4f8

or

http://www3.interscience.wiley.com/journal/113471531/abstract?CRETRY=1&SRETRY=0

or

http://198.81.200.2/science?_ob=ArticleURL&_udi=B8GXG-4XG8P39-8&_user=10&_coverDate=12%2F31%2F2009&_rdoc=8&_fmt=high&_orig=browse&_srch=doc-info%28%23toc%2342438%232009%23999789999%231532090%23FLA%23display%23Volume%29&_cdi=42438&_sort=d&_docanchor=&_ct=23&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=8e3957764fc39f141ddb363fcd9ec183

【序号】2
【作者】Shunichi Yamamoto
【题目】Studies on sorbitol derivatives. I. The direct  esterificafion of sorbitol with higher fatty acids
【期刊】Kogyo Kagaku Zasshi (Journal of the Society of Chemical Industry)
【年卷期页】(1942), 45, Suppl. binding 381-2
【全文链接】无

【序号】3
【作者】Shunichi Yamamoto
【题目】Studies on sorbitol derivatives. II. The direct  esterification of sorbitol with unsaturated higher acids
【期刊】Kogyo Kagaku Zasshi  (Journal of the Society of Chemical Industry)
【年卷期页】(1942), 45, Suppl. binding 382
【全文链接】无