69766-32-1 CARBAMIC ACID, DIMETHYL-, 5-(DIMETHYLAMINO)-2-(3-PYRIDYLAZO)PHENYL ESTER, METHIO Carbamic acid, dimethyl-, 5-(dimethylamino)-2-(3-pyridylazo)phenyl ester, methiodide Dimethylcarbamic acid 5-(dimethylamino)-2-(3-pyridylazo)phenyl ester methiodide Ro 2-1947/1