En particulier, le ligand L du motif de formule (I) de la prsente invention peut tre un ligand di-, tri- ou ttra- carboxylate choisi dans le groupe comprenant : C 2 H 2 ( CO 2 " ) 2 (fumarate), C 2 H 4 ( CO 2 " ) 2 In particular, the ligand L of the unit of formula (I) of the present invention may be a di-, tri- or tetracarboxylate ligand chosen from the group comprising: C 2 H 2 (CO 2 " ) 2 (fumarate), C 2 H 4 (CO 2 " ) 2 (succinate), C 3 H 6 ( CO 2 " ) 2 (glutarate), C 4 H 4 ( CO 2 " ) 2 (succinate), C 3 H 6 (CO 2 " ) 2 (glutarate), C 4 H 4 (CO 2 " ) 2 (muconate), C 4 H 8 (CO 2 ~ ) 2 (adipate), C 7 H 14 (CO 2 ^ ) 2 (azelate), C 5 H 3 S (CO 2 " ) 2 (2,5-thiophnedicarboxylate) , C 6 H 4 ( CO 2 " ) 2 (trphtalate), C 6 H 2 N 2 ( CO 2 " ) 2 (2,5-pyrazine dicarboxylate) , C 10 H 6 ( CO 2 " ) 2 (naphtalne-2, 6- dicarboxylate) , C 12 H 8 ( CO 2 " ) 2 (biphnyle-4,4 ' - dicarboxylate ) , C 12 H 8 N 2 ( CO 2 " ) 2 ( azobenznedicarboxylate ) , C 6 H 3 (CO 2 -J 3 (benzne-l,2,4-tricarboxylate) , C 6 H 3 (CO 2 " ) 3 (benzne-l,3,5-tricarboxylate) , C 24 H 15 (CO 2 " ) 3 (benzne- 1,3, 5-tribenzoate) , C 6 H 2 (CO 2 " ) 4 (benzne-1,2 ,4,5- ttracarboxylate, C 10 H 4 (CO 2 -J 4 (naphtalne-2 , 3,6,7 - ttracarboxylate) , C 10 H 4 ( CO 2 " ) 4 (naphtalne-1,4,5,8- ttracarboxylate) , C 12 H 6 ( CO 2 " ) 4 (biphnyl-3,5,3 ' ,5 ' - ttracarboxylate), et les analogues modifis choisis dans le groupe comprenant le 2-aminotrphtalate, le 2- nitrotrphtalate, le 2 -mthyl trphtalate, le 2- chlorotrphtalate, le 2-bromotrphtalate, le 2,5- dihydroxotrphtalate , le ttrafluorotrphtalate, le ttramthyltrphtalate , le dimthyl-4,4'- biphnydicarboxylate, le ttramthyl-4,4 '- biphnydicarboxylate, le dicarboxy-4,4 '- biphnydicarboxylate, le 2,5-pyrazyne dicarboxylate
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Other brands use pure Ethyl Vinyl Acetate (Chemical glue) which is not organic, their glue dries almost instantly so they can produce their cones much faster and cheaper
Reduced Product Waste Rolling by hand often comes with mistakes, particularly for beginners
Reduced nicotine cigarettes result in less smoking in anxious, depressed smokers Lowering the amount of nicotine in cigarettes to non-addictive levels may reduce smoking without worsening mental health in smokers with mood or anxiety disorders, according to Penn State College of Medicine and Harvard Medical School researchers
