Figure 1. Synthesis of 3-azido-9-[[C (diethylamino)-1-methylbutyl] amino]-7-methoxyacridine. associated with the generation of a proton gradient. Also, quinacrine bound to the local anesthetic site of the nicotinic acetylcholine ionophore in membrane vesicles from the electric organ of Torpedo marmorata has provided a fluorescent probe useful in the analysis of the coupling of the ionophore with the acetylcholine receptor system. l1ll2 In addition to ...