RESIDUE E30 19 CONECT N11 3 C12 H11 H2 CONECT C12 3 N11 C13 C17 CONECT C13 3 C12 C14 H13 CONECT C14 3 C13 C15 H14 CONECT C15 3 C14 C16 C18 CONECT C16 3 C15 C17 H16 CONECT C17 3 C12 C16 H17 CONECT C18 3 C15 N19 N22 CONECT N19 3 C18 N20 H19 CONECT N20 2 N19 N21 CONECT N21 2 N20 N22 CONECT N22 2 C18 N21 CONECT H11 1 N11 CONECT H13 1 C13 CONECT H17 1 C17 CONECT H14 1 C14 CONECT H16 1 C16 CONECT H19 1 N19 CONECT H2 1 N11 END HET E30 19 HETNAM E30 4-(1H-tetrazol-5-yl)aniline FORMUL E30 C7 H7 N5