InChI=1/C29H41NO7Si/c1-28(2,3)38(6,7)35-17-24-26(37-29(4,5)36-24)25(31)21(16-30-27(32)19-11-9-8-10-12-19)20-13-14-22-23(15-20)34-18-33-22/h8-15,21,24-26,31H,16-18H2,1-7H3,(H,30,32)/t21-,24-,25+,26+/m0/s1/f/h30H 22AC1FFC9A9E181E