RESIDUE 1SQ 19 CONECT N1 3 C2 HN11 HN12 CONECT C2 3 N1 N3 C11 CONECT N3 2 C2 C4 CONECT C4 3 N3 C5 H4 CONECT C5 3 C4 C6 H5 CONECT C6 3 C5 C7 C11 CONECT C7 3 C6 C8 H7 CONECT C8 3 C7 C9 H8 CONECT C9 3 C8 C10 H9 CONECT C10 3 C9 C11 H10 CONECT C11 3 C2 C6 C10 CONECT HN11 1 N1 CONECT HN12 1 N1 CONECT H4 1 C4 CONECT H5 1 C5 CONECT H7 1 C7 CONECT H8 1 C8 CONECT H9 1 C9 CONECT H10 1 C10 END HET 1SQ 19 HETSYN 1SQ 1-AMINO-ISOQUINOLINE HETNAM 1SQ ISOQUINOLIN-1-AMINE FORMUL 1SQ C9 H8 N2