RESIDUE 12R 27 CONECT C4 3 C5 N3 N11 CONECT C14 3 C13 C15 H1 CONECT C5 3 C4 C6 C10 CONECT C6 3 C5 N1 N7 CONECT C10 3 C5 N9 H2 CONECT C13 3 C14 N12 C18 CONECT N1 2 C6 C2 CONECT N3 2 C4 C2 CONECT C2 3 N1 N3 H3 CONECT N7 3 C6 N9 H4 CONECT N9 2 C10 N7 CONECT N11 3 C4 N12 H5 CONECT N12 3 C13 N11 H6 CONECT C15 3 C14 C16 H7 CONECT C16 3 C15 C17 H8 CONECT C17 3 C16 C18 H9 CONECT C18 3 C13 C17 H10 CONECT H1 1 C14 CONECT H2 1 C10 CONECT H3 1 C2 CONECT H4 1 N7 CONECT H5 1 N11 CONECT H6 1 N12 CONECT H7 1 C15 CONECT H8 1 C16 CONECT H9 1 C17 CONECT H10 1 C18 END HET 12R 27 HETNAM 12R 4-(2-phenylhydrazinyl)-1H-pyrazolo[3,4-d]pyrimidine FORMUL 12R C11 H10 N6