Thiocarbohydrazide trimethylpyruvic acid methanol 3,3-dimethyl butyric acid bromine pyridine methyl bromide carbon disulfide mercaptoethanol amberlyst-15 decane 2,4,6- trichloro phenol 2-amino-3-chloro-5-(trifluoromethyl) pyridine 3-methyl pyridine ferric chloride nicotinic acid 3-trichloromethyl pyridine 2-chloro 5-trichloromethyl pyridine 2,3 dichloro-5-trichloromethyl pyridine 2-chloro-5-trifluoromethyl pyridine hf antimony pentafluoride phenylphosphonicdichloride carbon disulfide formaldehyde (37%) (formalin) manganese acetate paraformaldehyde pinocolone commercial acetone diethyl oxalacetate sodium diethyloxalacetate 2-propenal (acrolein) diethyl oxalate sodium ethoxide sulfuryl chloride ammonium sulphamate ammonium acetate ethyl chloro acetate diethyl dichloromaleate pyridine diethyl -n-hydroxy aspartate 2,4,6- trichloro phenyol 1,3,5 trichloro benzine 3-(trichloromethyl) pyridine ammonia formic acid (99%)