University of Insubria
QSARWORLD
The Chemometrics and QSAR society
E.U. - Joint Research Centre
ECB - QSAR
Milano Chemometrics and QSAR research group
ChemWeb
TOXNET
UNEP
STANFORD DATABASE
NIST DATABASE
CHEMFINDER DATABASE
Siracuse Research Corporation
CEDAR
SETAC
U.S. EPA
ExToxNet
OECD