Lysidinum. Ethylene-Ethenyl-diamine. Methylglycoxalidine (Merck). Trituration. Solution.   Clinical.-Gout. Lithiasis. Oxaluria. Uric acid diathesis.   Characteristics.-Lysidin. occurs in red-white crystals. The solution is a thick pinkish liquid. Clifford Mitchel (H. W.,