4-(2-(3-Nitro-4-tolylsulfonyl)ethyl)-, hydrochloride 4-(2-(4-Methyl-3-nitrophenylsulfonyl)ethyl)pyridine hydrochloride 67057-87-8 Pyridine, 4-(2-(3-nitro-p-tolylsulfonyl)ethyl)-, hydrochloride