007397: InChI=1.12Beta/C21H42O4/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/h1-2H3,3-18H2,19-20H,22-23H/t19-,20+/m1/s1