002320: InChI=1.12Beta/C21H40O4/c1-3-4-5-12-15-20(23)16-13-10-8-6-7-9-11-14-17-21(24)25-18-19(2)22/h1-2H3,3-9H2,10H,11-12H2,13H,14-18H2,19-20H,22-23H/b13-10-/t19-,20+/m0/s1