S-alkylthiosemicarbazonium salts in the synthesis of 1,2,4-triazolines. Molecular structure of 1,4-diacetyl-3-(5-nitrofurfurylthio)-5-(2-furyl)-?2-1,2,4-triazoline
S-alkylthiosemicarbazonium salts in the synthesis of 1,2,4-triazolines. Molecular structure of 1,4-diacetyl-3-(5-nitrofurfurylthio)-5-(2-furyl)-?2-1,2,4-triazoline