1 HNMR (300 MHz, DMSO- d 6 , ppm): H 11.58 (s, 1H, hydrazine-N H ), 9.74 (s, 1H, dimethoxybenzylidene-N=C H ), 8.39 (s, 1H, 4-hydroxy-3-methoxy benzohydrazide-O H ), 7.50 (s, 1H, 3,4-dimethoxybenzylidene-C 2 - H ), 7.39 (s, 1H, 4-hydroxy-3-methoxy benzohydrazide-C 2 - H ), 7.18 (brs, 1H, 4-hydroxy-3-methoxy benzohydrazide-C 6 - H ), 7.02 (m, 2H, 3,4-dimethoxybenzylidene-C 6 - H and 4-hydroxy-3-methoxy benzohydrazide-C 5 - H ), 6.89 (d, J = 6.0 Hz, 1H, 3,4-dimethoxybenzylidene-C 5 - H ), 3.85 (s, 3H, 4-hydroxy-3-methoxy benzohydrazide-OC H 3 ), 3.81 (s, 6H, 3,4-dimethoxybenzylidene-2(OC H 3 ))
Oesophageal bacterial biofilm changes in gastro-oesophageal reflux disease, Barretts and oesophageal carcinoma: association or causality
Khi khng c ch nh ca bc s, ngi thc hin khng c t tnh ton, p dng v iu chnh liu dng cho ngi bnh
We selected copper concentrations that had previously demonstrated minimal toxicity to M