InChI=1/C16H21ClN4O4/c1-4-8(2)19-14(23)9(3)20-15(24)16(25)21-10-5-6-12(17)11(7-10)13(18)22/h5-9H,4H2,1-3H3,(H2,18,22)(H,19,23)(H,20,24)(H,21,25)/t8-,9+/m1/s1/f/h19-21H,18H2 F5A26D0304A90556