Cyclic N-Oxides |
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| Cyclic N Oxides; Heterocyclic N Oxides; N Oxides, Cyclic; N-Oxides, Cyclic; N-Oxides, Heterocyclic; Oxides, Cyclic N | |
| Heterocyclic compounds in which an oxygen is attached to a cyclic nitrogen. They include PYRROLIZIDINE ALKALOIDS; QUINOLIZINES; INDOLES; and TROPANES. | |