Figure 3From: Development of selective blockers for Ca2+-activated Cl- channel using Xenopus laevis oocytes with an improved drug screening strategyChemical structures and IC 50 s of known blockers and anthranilic acid derivatives. (A) Known blockers. (B) Anthranilic acid derivatives; positional compounds. (C) Anthranilic acid derivatives that have variable substituent group on para position of benzene ring. LP: Low Potency. IC50 > 200 μM. n indicates number of oocytes.Back to article page