1-Nitrosoazacyclotridecane 40580-89-0 5-20-04-00265 (Beilstein Handbook Reference) AZACYCLOTRIDECANE, 1-NITROSO- BRN 1682413 N-Nitrosododecamethyleneimine N-Nitrosododecamethylenimine NDMI Nitrosododecamethylenimine