Condensed heterocycles. Communication 9. Products of the condensation of (ethoxymethylene)malonic ester with 2-aminothiazoles and 2-amino-1,3,4-thiadiazoles
Condensed heterocycles. Communication 9. Products of the condensation of (ethoxymethylene)malonic ester with 2-aminothiazoles and 2-amino-1,3,4-thiadiazoles