4-27-00-00627 (Beilstein Handbook Reference) 4-Nitrosomorpholine 59-89-2 BRN 0112139 CCRIS 473 HSDB 4308 Morpholine, 4-nitroso- Morpholine, N-nitroso- N-NITROSOMORPHOLINE N-Nitrosomorfolin [Czech] N-Nitrosomorpholin [German] NCI-C02164 NMOR NSC 139 Nitrosomorpholine