求查微谱数据 一化合物 容差设为 2给出前十个结果即可
12.1,12.3,18.8,19.5,21.1,21.2,23.1,24.4,28.3,31.7,31.8,39.5,39.7,42.2,42.3,50.2,51.3,55.9,56.9,71.8,121.8,129.3,138.4,140.8

顶一下

查询模式：模糊查询
碳谱数据输入：
按从小到大顺序输入，数字间用英文半角逗号(,)分隔例如：
21.4,30.4,37.4,73.2,73.7,125.6,126.6,139.6,140.2,168.2
12.1,12.3,18.8,19.5,21.1,21.2,23.1,24.4,28.3,31.7,31.8,39.5,39.7,42.2,42.3,50.2,51.3,55.9,56.9,71.8,121.8,129.3,138.4,140.8
溶剂选项： 全部 CDCl3 CD3CD2OD CD2Cl2 C5D5N C3D7NO CD3SOCD3 C4D8O (CH3)4Si C4D8O2 CD3COOD C4D8O2 H2O D2O CF3COOD CD3OD ND3 CD3COCD3 C6D6 CD3CN 查询空值
匹配容差： (数字格式，可自行设定)
相似度：%(相似度>=50%)




查询结果：共查到17185个化合物(查询结果仅供参考)
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1 . Stigmasterol
C29H48O 相似度:92.3%
Journal of China Pharmaceutical University 2004 35 404-405
Chemical Constituents from Xanthium sibiricum
ZHANG Xia-Qi; QI Jin; YE Wen-Cai; ZHAO Shou-Xun
Structure 13C NMR 碳谱模拟图

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2 . stigmasta-5,22(E)-dien-3-beta-ol
C29H48O 相似度:92%
Acta Bot. Boreal. -Occident. Sin. 2006 26 1001-1006
Active AntimicrobiaLingredients in Mikania micrantha Stems and Leaves
YU Xin-ping, FENG Jun-tao, LIU Xiao-ming, ZHUANG Shi-hong, ZHANG Xing
Structure 13C NMR 碳谱模拟图

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3 . β-sitosterol
相似度:92%
Acta Bot. Boreal. -Occident. Sin. 2009 29 1893-1897
Isolation and identif ication of Acaricidal Composition of Thymus mongolicus
FENG Gang, ZHANG Jing, BAI Jun, PENG Zheng-qiang
Structure 13C NMR 碳谱模拟图

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4 . 豆甾醇
相似度:92%
Chinese Traditional and Herbal Drugs 2009 40 701-704
阔苞菊的化学成分研究
邱蕴绮;漆淑华;张偲;李庆欣
Structure 13C NMR 碳谱模拟图

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5 . Stigmasterol
相似度:88.8%
Phytochemistry 1985 24 1505-1508
Isotachin A and isotachin B, two sulphur-containing acrylates from the liverwort isotachis japonica
Yoshinori Asakawa, Masao Toyota, Leslie J. Harrison
Structure 13C NMR 碳谱模拟图

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6 . stigmasterol
C29H48O 相似度:88.8%
Modern Chinese Medicine 2007 9(7) 13-14
Studies on the Constituents of Senecio laetus Edgew.
Jin Jun, Zhang Chaofeng, ZhangMian
Structure 13C NMR 碳谱模拟图

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7 . stigmasterol
相似度:88.4%
Natural Product Research and Development 1997 9(2) 4-6
NON-ALKALOIDAL CONSTITUENTS FROM MECONOPSIS PUNICEA MAXIM
Zhang Guolin; Li Bogang; Zhou Zhengzhi
Structure 13C NMR 碳谱模拟图

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8 . stigmasterol
相似度:85.7%
Planta Medica 1986 52 499-500
Antihepatotoxic Principles of Wedelia chinensis Herbs
Ling-Ling Yang, Kun-Ying Yen, Chohachi Konno, Yoshiteru Oshima,Yoshinobu Kiso and Hiroshi Hikino
Structure 13C NMR 碳谱模拟图

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9 . compound 2h
相似度:85.7%
Phytochemistry 1992 31 2813-2817
Sterols and sterol glucosides from two Aegiphila species
Suzana G. Leitão, Maria Auxiliadora C. Kaplan, Franco Delle Monache, Toshihiro Akihisa, Toshitake Tamura
Structure 13C NMR 碳谱模拟图

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10 . Stigmasterol
相似度:85.7%
Archives of Pharmacal Research 2008 31 965-969
A new cytotoxic prenylated dihydrobenzofuran derivative and other chemical constituents from the rhizomes of Atractylodes lancea DC
Jin-ao Duan, Liuying Wang, Shihui Qian, Shulan Su and Yuping Tang
Structure 13C NMR 碳谱模拟图

下次不查容差设为 2的了。电脑直接卡死，干不了别的！！！那流量，哗哗的！！！


呵呵，不好意思啊，不知道会占用这么多流量，兄弟帮助