No block

Albuterol^a, amiloride^a, ampicillin^a, aspirin^a, carbamazepineⁿⁿ, cimetidine^a, ciprofloxacin^a, clindamycin^a, clonidine^a, doxycycline^a, dipyridamole^ll, doxorubicin^z, enalapril^a, famotidine^a, furosemide^a, gabapentin^pp, galantamine^qq, gatifloxacin^rr, glyburide^a, guaifenesin^a, ibuprofen^a, indapamide^a, indomethacin^ss, isoproterenol^z, itopride^tt, lamotrigine^pp, levofloxacin^rr, lidocaine^a, lomefloxacin^uu, milrinone^ll, minoxidil^a, naproxen^a, nicorandil^vv, norfloxacin^uu, ofloxacin^a, penicillin^a, phenytoinⁿⁿ, pinacidil^a, pentamidine^a, procainamide^s, progesterone^ww, ranitidine^a, sulindac^a, sulpiride ^j, thalidomide^a, trimethoprim^a, tizanidine^mm, troleandomycin^a, zaprinast^ll

Atenolol, azithromycin, captopril disulfide, metoprolol, ouabain, rolipram, sotalol

Bisacodyl, bumetanide, candesartan, carbachol, eprosartan, esmolol, fenoldopam, fulvestrant, idazoxan, itraconazole, metoprolol, IBMX, ibudilast, losartan, miltefosine, naloxonazine, neostigmine, olopatadine, ouabain, oxotremorine, pindolol, practolol, rivastigmine, timolol, vincristine, zalcitabine, zardaverine