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(2007/10/03)N,N'-(4-chloro-pyridine-2,6-diyl)-bis-carbamic acid diethyl ester
N,N'-(4-chloro-pyridine-2,6-diyl)-bis-carbamic acid diisopropyl ester
Cl2popp
(6-Azidocarbonyl-4-chloro-pyridin-2-yl)-carbamic acid methyl ester
(4-Chloro-6-hydrazinocarbonyl-pyridin-2-yl)-carbamic acid methyl ester