7-[2-(二乙氨基)乙基]-1,3-二甲基黄嘌呤 、
6-Trifluormethyl-7-sulfamoyl-3-carboxy-1,1-dioxo-3,4-dihydro-2H-1,2,4-benzothia-diazin 以
水 为溶剂,
生成 1,1-dioxo-7-sulfamoyl-6-trifluoromethyl-1,2,3,4-tetrahydro-1λ
6-benzo[1,2,4]thiadiazine-3-carboxylic acid; 7-(2-diethylamino-ethyl)-1,3-dimethyl-3,7-dihydro-purine-2,6-dione (etamiphyllin) salt (1:1)