RESIDUE 02X 23 CONECT C3 3 O1 C4 OXT CONECT O1 1 C3 CONECT C4 4 C3 C5 H4 H4A CONECT C5 4 C4 C6 C7 H5 CONECT C6 4 C5 C8 C9 H6 CONECT C7 3 C5 O2 O3 CONECT O2 1 C7 CONECT C8 4 C6 H8 H8A H8B CONECT C9 4 C6 H9 H9A H9B CONECT H4 1 C4 CONECT H4A 1 C4 CONECT H5 1 C5 CONECT H6 1 C6 CONECT H8 1 C8 CONECT H8A 1 C8 CONECT H8B 1 C8 CONECT H9 1 C9 CONECT H9A 1 C9 CONECT H9B 1 C9 CONECT OXT 2 C3 HXT CONECT HXT 1 OXT CONECT O3 2 C7 H1 CONECT H1 1 O3 END HET 02X 23 HETNAM 02X (2S)-2-(propan-2-yl)butanedioic acid FORMUL 02X C7 H12 O4