Are there commerical suppliers of the following photosynthesis inhibitors? HQNO, UHDBT, DBMIB, DNP-INT, NQNO If there are no commercial suppliers, will someone be kind enough to send us some? Thanks for your help and cooperation. Elias Greenbaum Oak Ridge National Laboratory P. O. Box 2008 Oak Ridge, TN 37831-6194 Tel: 615-574-7835 Fax: 615-574-6843