Kozlov A.; Semenov V.; Mikhailov A.; Aganov A.; Smith M.; Reznik V.; Latypov S.
(2008)
Protonation (alkylation) sites of several thiopyrimidine derivatives were directly determined by 1H-15N (1H- 13C) heteronuclear single quantum coherence/heteronuclear multiple bond correlation methods, and it was found ...