Semyon V. Tsybulin (11688583) ; Alexander F. Pozharskii (1687855) ; Ekaterina A. Filatova (5109257)... https://figshare.com/articles/journal_contribution/Ethynylene-Bridged_i_para-ortho-para_i_-Linked_Proton_Sponge_Trimer_Mono-_and_Tris_tetrafluoroborate_Protic_Salts_Crystal_Structures_Color_Effects_and_HCONMe_sub_2_sub_BF_sub_4_sub_sup_sup_Hydrogen-Bond_Discrimination/17000065.
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2021