Kh? n?ng b?o m?t thông tin ng??i ch?i luôn ???c ?? cao s? 1 khi tham gia vào ho?t ??ng cá c??c. Compound 5 (endophenazine E) highlighted a phenazine nucleus in addition to a 6-deoxyhexopyranose sugar as shown by 1H NMR. On the other hand, 7 aromatic protons with overlapp