Journal of Molecular Diversity (Online, free full text, rapid publication)
Molecular Diversity

Journal of Combinatorial Chemistry
Combinatorial Chemistry

Combinatorial Chemistry & HTS
Journal of Biomolecular Screening

Molecules
MDPI's other journals

http://www.5z.com/ Diversity Info Page (Dr. Michal  Lebl, San Diego)
http://combichem.net (Ken Browne, UK)
http://www.combinatorial.com/ (Dr. Barry A. Bunin)
http://www.combichemlab.com (Dr. Guillermo A. Morales)
http://www.htscreening.net/ (Ken Browne, UK)

Electronic Conference on Molecular Diversity