InChI=1/C21H36O5/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-18-20(25-17(2)23)19(16-22)26-21(18)24/h15,19-20,22H,3-14,16H2,1-2H3/b18-15+/t19-,20+/m0/s1 CA5019DDE41A79D2