Studies on the Syntheses of Sulfur Containing Pyrimido[5, 4-D]pyrimidine Derivatives. II. Syntheses and Rearrangement of 2-Methylsulfonyl-Pyrimido[5, 4-D]pyrimidine-6-Sulfonamide Derivatives

Yakugaku Zasshi - Japan

doi 10.1248/yakushi1947.96.5_586