RESIDUE 3BD 55 CONECT C12 3 O1 C2 N5 CONECT C13 4 C14 N6 H13 H13A CONECT C8 4 C9 C10 C11 C7 CONECT C9 4 C8 H9 H9A H9B CONECT C10 4 C8 H10 H10A H10B CONECT C11 4 C8 H11 H11A H11B CONECT C14 4 C13 N7 H14 H14A CONECT C15 4 N7 C16 H15 H15A CONECT O1 1 C12 CONECT N3 2 C4 C7 CONECT C1 3 C2 N1 N4 CONECT C2 3 C12 C1 C3 CONECT C3 3 C2 C5 H3 CONECT C4 3 N3 N1 C5 CONECT C7 3 C8 N3 N2 CONECT N1 2 C1 C4 CONECT N2 2 C7 C6 CONECT C5 3 C3 C4 C6 CONECT C6 3 N2 C5 N6 CONECT N4 3 C1 HN4 HN4A CONECT N5 3 C12 HN5 HN5A CONECT N6 3 C13 C6 C16 CONECT N7 3 C14 C15 C17 CONECT C16 4 C15 N6 H16 H16A CONECT C17 3 N7 N8 N9 CONECT N8 2 C17 C18 CONECT C18 3 N8 C19 H18 CONECT C19 3 C18 C20 H19 CONECT C20 3 C19 N9 H20 CONECT N9 2 C17 C20 CONECT H13 1 C13 CONECT H13A 1 C13 CONECT H9 1 C9 CONECT H9A 1 C9 CONECT H9B 1 C9 CONECT H10 1 C10 CONECT H10A 1 C10 CONECT H10B 1 C10 CONECT H11 1 C11 CONECT H11A 1 C11 CONECT H11B 1 C11 CONECT H14 1 C14 CONECT H14A 1 C14 CONECT H15 1 C15 CONECT H15A 1 C15 CONECT H3 1 C3 CONECT HN4 1 N4 CONECT HN4A 1 N4 CONECT HN5 1 N5 CONECT HN5A 1 N5 CONECT H16 1 C16 CONECT H16A 1 C16 CONECT H18 1 C18 CONECT H19 1 C19 CONECT H20 1 C20 END HET 3BD 55 HETNAM 3BD 7-amino-2-tert-butyl-4-(4-pyrimidin-2-ylpiperazin-1-yl) HETNAM 2 3BD pyrido[2,3-d]pyrimidine-6-carboxamide FORMUL 3BD C20 H25 N9 O1