Kh? n?ng b?o m?t thông tin ng??i ch?i luôn ???c ?? cao s? one khi tham gia vào ho?t ??ng cá c??c.Compound five (endophenazine E) featured a phenazine nucleus plus a 6-deoxyhexopyranose sugar as proven by 1H NMR. However, 7 aromatic protons with overlapped and complex coupling split styles suggested a monosubstituted in place of a disubstituted