InChI=1/C22H31NO4Si/c1-22(2,3)28(4,5)27-18-8-13-6-7-23-11-14-9-16-17(26-12-25-16)10-15(14)19(20(13)23)21(18)24/h8-10,18-21,24H,6-7,11-12H2,1-5H3/t18-,19-,20+,21+/m1/s1 9FB576A730C807CA