RESIDUE 5QY 22 CONECT O 1 C CONECT C 3 O NAG CA CONECT NAG 3 C CAJ H1 CONECT CAJ 3 NAG CAE CAK CONECT CAE 3 CAJ CAC H2 CONECT CAC 3 CAE CAD H3 CONECT CAD 3 CAC CAF H4 CONECT CAF 3 CAD CAK H5 CONECT CAK 3 CAJ CAF N CONECT N 3 CAK CA H6 CONECT CA 4 C N CB H7 CONECT CB 4 CA H8 H9 H10 CONECT H1 1 NAG CONECT H2 1 CAE CONECT H3 1 CAC CONECT H4 1 CAD CONECT H5 1 CAF CONECT H6 1 N CONECT H7 1 CA CONECT H8 1 CB CONECT H9 1 CB CONECT H10 1 CB END HET 5QY 22 HETNAM 5QY (3~{S})-3-methyl-3,4-dihydro-1~{H}-quinoxalin-2-one FORMUL 5QY C9 H10 N2 O1