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 six-deoxyhexopyranose sugar as shown by 1H NMR. Having said that, 7 aromatic protons with overlapped and complicated coupling split patterns proposed a monosubstituted in li