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METHOD FOR PRODUCING MIXTURE OF 2-OXO-2,3-DIHYDRO-4,6-BIS-(3ЪDIETHYLAMINOMETHYLENE-4Ъ-OXYPHENYL)-1,3,5-TRIAZINE AND 2,4,6-TRIS-(3Ъ-DIETHYLAMINOMETHYLENE-4Ъ-OXYPHENYL)-1,3,5-TRIAZINE
METHOD FOR PRODUCING MIXTURE OF 2-OXO-2,3-DIHYDRO-4,6-BIS-(3ЪDIETHYLAMINOMETHYLENE-4Ъ-OXYPHENYL)-1,3,5-TRIAZINE AND 2,4,6-TRIS-(3Ъ-DIETHYLAMINOMETHYLENE-4Ъ-OXYPHENYL)-1,3,5-TRIAZINE