| # | Species | Formula |
| 982 | 3-Phenyl isoxazole | C9H7NO | |
| 983 | 4-Quinolinol | C9H7NO | |
| 984 | 5-Phenyl isoxazole | C9H7NO | |
| 985 | 8-Quinolinol | C9H7NO | |
| 986 | a-Cyanoacetophenone | C9H7NO | |
| 987 | 2,4,6-Trimethylnitrosobenzene | C9H11NO | |
| 988 | N,N-Dimethyl benzamide | C9H11NO | |
| 989 | N,N-Dimethyamino-2,4,6-heptatriene-7-al | C9H13NO | |
| 990 | 2,2,6,6-Tetramethyl-4-piperidinone | C9H17NO | |
| 991 | 2-Methyl-4-hydroxyquinoline | C10H9NO | |
| 992 | 2-Methyl-8-quinolinol | C10H9NO | |
| 993 | 3-Methyl-5-phenyl isoxazole | C10H9NO | |
| 994 | 4-Methyl-2-hydroxyquinoline | C10H9NO | |
| 995 | 5-Methyl-3-phenyl isoxazole | C10H9NO | |
| 996 | beta-Cyanopropiophenone | C10H9NO | |
| 997 | 2,4,6-Trimethylbenzonitrile, N-oxide | C10H11NO | |
| 998 | 2-(Dimethylamino)-acetophenone | C10H13NO | |
| 999 | N,N,4-Trimethyl benzamide | C10H13NO | |
| 1000 | (E)-3-(Methylamino)-1-phenyl-but-2-enone | C11H13NO | |
| 1001 | 1-Propanone, 2-(dimethylamino)-1-phenyl- | C11H15NO | |
| 1002 | 2-Propanamine, 2-methyl-N-(phenylmethylene)-, N-oxide | C11H15NO | |