UsefulChem

ChemSpider数据库记录了超过两千万的分子，与其他传统化学数据库不同的地方在于，它通过WiChempedia收录维基百科中的化合物记录。ChemSpider于2009年5月被英国皇家化学会收购。 ChemSpider数据库以公开的网络数据库为主要数据来源。以下为ChemSpider的主要数据来源列表：

Amides to Methyl Esters Using Trimethyloxonium Tetrafluoroborate: A Very Useful Complement to Directed Metalation Reactions. Tetrahedron. 2000-12, 56 (51):

Anis-ur-Rehman, A. Abdullah. Synthesis and Structural Properties of Ce(OH)3 for Useful Applications. Journal of Superconductivity and Novel Magnetism. 2011-1,

Potassium Hydride in Paraffin: A Useful Base for Organic Synthesis Douglass F. Taber and Christopher G. Nelson J. Org. Chem.; 2006; 71(23) pp 8973 - 8974;

heating with oxygen in the presence of a reducing sugar. This reaction is useful for preparing dichlorophthalimido derivatives[具体情况如何？] of peptides for mass