o-Nitro-benzaldehyd-<2,3,4-trichlor-benzolsulfonylhydrazon>
Aethyl-methyl-keton-<2.3.4-trichlor-benzolsulfonylhydrazon>
Aceton-<2.3.4-trichlor-benzolsulfonylhydrazon>
Acetophenon-<2.3.4-trichlor-benzolsulfonylhydrazon>
Methyl-propyl-keton-<2.3.4-trichlor-benzolsulfonylhydrazon>