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1,3,7-триметилксантинcontraintes
chim. 1,3,7-Trimethylxanthin; Koffein n; Kaffein n; 1,3,7-Trimethyl-2,6dioxypurin
1, 3, 7-триметилксантин
chim. Kaffein n; Thein n; 1,3,7-Trimethylxanthin
1,3,7-триметилксантин алкалоид
chim. Tein n; Thein n