2-Chloro-5-(trifluoromethyl)benzene-1-sulfonyl chloride,tech.,98%,25g CAS:54090-08-3 98.00% 279.0637 2-Chloro-5-(trifluoromethyl)pyridine-4-carboxylic acid,tech.,98%,250mg CAS:505084-58-2 98.00% 225.55 |