RESIDUE 2F2 9 CONECT C1 4 O H1 H2 H3 CONECT O 2 C1 C CONECT C 4 O H4 H5 H6 CONECT H1 1 C1 CONECT H2 1 C1 CONECT H3 1 C1 CONECT H4 1 C CONECT H5 1 C CONECT H6 1 C END HET 2F2 9 HETNAM 2F2 dimethyl ether FORMUL 2F2 C2 H6 O1