Theophylline isopropanolamine;3,7-Dihydro-1,3-dimethyl-1H-purine-2,6-dione, compound with 1-aminopropan-2-ol (1:1);1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione;1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione - 1-aminopropan-2-ol (1:1)
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