009726: InChI=1.12Beta/C21H28O3/c1-20-9-7-15(23)11-14(20)3-5-16-17-6-4-13(8-10-22)21(17,2)12-18(24)19(16)20/h1-2H3,3-7H2,8H,9H2,10-11H,12H2,16-19H,24H/b13-8+/t16-,17-,18-,19+,20-,21+/m0/s1