RESIDUE 21P 53 CONECT C11 3 C12 C10 H11 CONECT C14 4 C15 O3 H14 H14A CONECT C9 3 C8 C10 H9 CONECT C13 4 C10 C16 O4 O3 CONECT C8 3 C9 SI1 C7 CONECT C5 4 SI2 H5 H5A H5B CONECT C1 4 SI1 H1 H1A H1B CONECT C12 3 C11 C7 H12 CONECT C19 3 C18 C20 C22 CONECT C3 4 SI1 SI2 H3 H3A CONECT C6 4 SI2 H6 H6A H6B CONECT C18 3 C19 C17 H18 CONECT C21 3 C20 C16 H21 CONECT C20 3 C19 C21 H20 CONECT C10 3 C11 C9 C13 CONECT C16 3 C13 C21 C17 CONECT C17 3 C18 C16 H17 CONECT O2 1 C22 CONECT C22 3 C19 O2 O1 CONECT O1 2 C22 HO1 CONECT O4 2 C13 C15 CONECT C15 4 C14 O4 H15 H15A CONECT O3 2 C14 C13 CONECT SI1 4 C8 C1 C3 C2 CONECT C2 4 SI1 H2 H2A H2B CONECT C7 3 C8 C12 SI2 CONECT SI2 4 C5 C3 C6 C7 CONECT H11 1 C11 CONECT H14 1 C14 CONECT H14A 1 C14 CONECT H9 1 C9 CONECT H5 1 C5 CONECT H5A 1 C5 CONECT H5B 1 C5 CONECT H1 1 C1 CONECT H1A 1 C1 CONECT H1B 1 C1 CONECT H12 1 C12 CONECT H3 1 C3 CONECT H3A 1 C3 CONECT H6 1 C6 CONECT H6A 1 C6 CONECT H6B 1 C6 CONECT H18 1 C18 CONECT H21 1 C21 CONECT H20 1 C20 CONECT H17 1 C17 CONECT HO1 1 O1 CONECT H15 1 C15 CONECT H15A 1 C15 CONECT H2 1 C2 CONECT H2A 1 C2 CONECT H2B 1 C2 END HET 21P 53 HETNAM 21P 4-[2-(1,1,3,3-tetramethyl-2,3-dihydro-1H-1,3-benzodisil HETNAM 2 21P ol-5-yl)-1,3-dioxolan-2-yl]benzoic acid FORMUL 21P C21 H26 O4 Si2