pentachloronitrobenzene ( pcnb ) and hgcl2 , pcnb and cdcl2 , and hexachlorobenzene ( hcb ) and hgcl2 were investigated for their acute oral toxicity in rats , individually and as combinations in various ratios of the organochlorine pesticides to the heavy metal chlorides .
C0025417
hgcl2
C0008203
chlorides