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3-7-diheterabicyclo[3.3.1]Nonanes as Antiarrhythmic Agents
(U.S. Patent and Trademark Office, 1990-03-20)
3-7,Diheterabicylo[3.3.1]nonanes and derivatives thereof are disclosed. Their method of preparation and use as antiarrhythmic agents is given.
Conversion of Dual Wave Beam Spectrophotometer to Dual Wavelength Spectrophotometer
(U.S. Patent and Trademark Office, 1990-05-29)
A conversion and kit for a dual beam spectrophotometer permitting it to operate in dual wavelength mode and thereby obtaining resolution heretofore unavailable from similar machines. The present invention provides for a ...
Heteroarotinoids as Anticancer Agents
(U.S. Patent and Trademark Office, 1990-12-11)
Novel heteroarotinoid compositions characterized by the formulae: ##STR1## where: X is S or O; OAc is the acetate group ##STR2## and R is --H, --OH, --OCH.sub.3, or --OC.sub.2 H.sub.5 and includes ##STR3## for formulae (1) ...
Polyheterobicyclotridecane Compounds
(U.S. Patent and Trademark Office, 1990-12-25)
3-7-Diheterabicyclo[3.3.1]nonanes and derivatives thereof are disclosed. Their method of preparation and use as antiarrhythmic agents is given.