RESIDUE 4N1 42 CONECT C1 3 O1 N2 C6 CONECT O1 2 C1 C10 CONECT N2 2 C1 C3 CONECT C3 3 N2 C4 N7 CONECT C4 3 C3 C5 N9 CONECT C5 3 C4 C6 H5 CONECT C6 3 C1 C5 H6 CONECT N7 3 C3 C8 H7 CONECT C8 3 N7 N9 N11 CONECT N9 2 C4 C8 CONECT C10 4 O1 H101 H102 H103 CONECT N11 3 C8 C12 C16 CONECT C12 3 N11 C13 C17 CONECT C13 3 C12 C14 C18 CONECT C14 3 C13 O14 C15 CONECT O14 2 C14 C21 CONECT C15 3 C14 C16 C19 CONECT C16 3 N11 C15 H16 CONECT C17 4 C12 S20 H171 H172 CONECT C18 4 C13 H181 H182 H183 CONECT C19 4 C15 H191 H192 H193 CONECT S20 2 C17 H1 CONECT C21 4 O14 H211 H212 H213 CONECT H5 1 C5 CONECT H6 1 C6 CONECT H7 1 N7 CONECT H101 1 C10 CONECT H102 1 C10 CONECT H103 1 C10 CONECT H16 1 C16 CONECT H171 1 C17 CONECT H181 1 C18 CONECT H182 1 C18 CONECT H183 1 C18 CONECT H191 1 C19 CONECT H192 1 C19 CONECT H193 1 C19 CONECT H211 1 C21 CONECT H212 1 C21 CONECT H213 1 C21 CONECT H172 1 C17 CONECT H1 1 S20 END HET 4N1 42 HETNAM 4N1 4-methoxy-1-(5-methoxy-3H-imidazo[4,5-b]pyridin-2-yl)-3 HETNAM 2 4N1 ,5-dimethyl-2-(sulfanylmethyl)pyridin-1-ium FORMUL 4N1 C16 H19 N4 O2 S1 1+