Physiologically active substance NK13650P3, method of producing the same and use thereof

A physiologically active substance NK13650P3 having the following physicochemical properties or a pharmacologically acceptable salt thereof:

• 1) colour and shape:
• pale yellow powder;
• 2) molecular formula:
• C29H37N7O15;
• 3) molecular weight:
• 723;
• 4) hydrogen nuclear magnetic resonance spectrum:
• a spectrum measured at 600 MHz in heavy water is as follows:
• chemical shift value δppm:
• 7.05 (1H, s), 7.00 (1H, d), 6.96 (1H, d), 6.83 (1H, s), 4.43-4.48 (2H, m), 4.28 (1H, m), 4.15 (2H, m), 3.21 (2H, m), 2.58-2.78 (6H, m), 2.34 (1H, m), 2.18 (1H, m), 1.99 (1H, m), 1.88 (1H, m), 1.71 (1H, m), 1.63 (1H, m)
• 5) carbon nuclear magnetic resonance spectrum:
• a spectrum measured at 150 MHz in heavy water is as follows:
• chemical shift value δppm:
• 181.5(s), 181.4(s), 179.9(s), 179.2(s), 174.5(s), 174.3(s), 171.5(s), 165.4(s), 159.7(s), 149.5(s), 149.2(s), 127.8(s), 126.2(d), 126.1(s), 122.0(d), 119.0(d), 117.1(d), 77.7(s), 68.8(t), 57.8(d), 55.1(d), 54.2(d), 47.4(t), 47.0(t), 43.4(t), 40.7(t), 34.2(t), 33.9(t), 25.9(t)
• 6) ultraviolet radiation spectrum:
• a spectrum measured in an aqueous solution is as follows:
• λmax (MeOH):
• 196.5 nm, 224.5 nm, and 322.5 nm;
• 7) solubility:
• easily soluble to water and insoluble to methanol, acetone, ethyl acetate, chloroform, and dimethyl sulfoxide;
• and
• 8) color reaction:
• positive for phosphomolybdic acid-sulfuric acid and Rydon-Smith reagent.