Supplier Page from Aladdin Scientific Corporation for 1,2,4,5-Tetrachlorobenzene standard in methanol
1,2,3-Trifluorobenzene from Aladdin Scientific Corporation
3-cyano-1H-indole-7-carboxylic acid from Aladdin Scientific Corporation
Dipyrido[3,2-a:2',3'-c]phenazine from Aladdin Scientific Corporation
ethyl 4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxylate from Aladdin Scientific Corporation