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 five (endophenazine E) showcased a phenazine nucleus and a six-deoxyhexopyranose sugar as demonstrated by 1H NMR. However, seven aromatic protons with overlapped and complicated coupling split patterns advised a monosubstituted in place of a