002317: InChI=1.12Beta/C21H40O4/c1-3-4-5-12-15-20(22)16-13-10-8-6-7-9-11-14-17-21(23)25-19-18-24-2/h1-2H3,3-9H2,10H,11-12H2,13H,14-19H2,20H,22H/b13-10-/t20-/m1/s1