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Peter Stoss, Gerhard Satzinger, Manfred Herrmann, Wolfgang Heldt: Certain heterocyclic sulfoximide derivatives. Stephen I Miller, October 13, 1981: US04294838

Sulphoximide derivatives of the general formula: ##STR1## wherein R.sub.1 is a phenyl, thienyl, furyl or pyridyl ring; R.sub.2 is a thienyl, furyl, or pyridyl ring; R.sub.3 and R.sub.4 are the same or are different and are alkyl groups containing up to 6 carbon atoms or together with the nitrogen at ...