| # | Species | Formula |
| 855 | 2,4,6-Trimethylbenzonitrile, N-oxide | C10H11NO | |
| 856 | 2-(Dimethylamino)-acetophenone | C10H13NO | |
| 857 | N,N,4-Trimethyl benzamide | C10H13NO | |
| 858 | (E)-3-(Methylamino)-1-phenyl-but-2-enone | C11H13NO | |
| 859 | 1-Propanone, 2-(dimethylamino)-1-phenyl- | C11H15NO | |
| 860 | 2-Propanamine, 2-methyl-N-(phenylmethylene)-, N-oxide | C11H15NO | |
| 861 | 1-Adamantanecarboxamide | C11H17NO | |
| 862 | N,N-Dimethylnonamide | C11H23NO | |
| 863 | Phenoxazine | C12H9NO | |
| 864 | 2-(Diethylamino)-1-phenylethanone | C12H17NO | |
| 865 | 9,10-Dihydro-9-oxoacridine | C13H9NO | |
| 866 | Benzenamine, N-(phenylmethylene)-, N-oxide | C13H11NO | |
| 867 | 1-Propanone, 2-(diethylamino)-1-phenyl- | C13H19NO | |
| 868 | N,N-Dimethyl-1-adamantylcarboxamide | C13H21NO | |
| 869 | 4-Isopropylbenzylidene t-butylamine N-oxide | C14H21NO | |
| 870 | Nitrous oxide (Geo) | N2O | |
| 871 | Nitrous oxide | N2O | |
| 872 | Urea | CH4N2O | |
| 873 | N-Methyl urea | C2H6N2O | |
| 874 | Dimethyl furazan | C4H6N2O | |
| 875 | Isopropylurea | C4H10N2O | |