| ID_elements | Nom | Lettre | Celibataire | Couple |
|---|---|---|---|---|
| 1 | Carbone | C | 4 | 0 |
| 2 | Oxygène | O | 2 | 2 |
| 3 | Hydrogène | H | 1 | 0 |
| ID_fonction | Fonction | Nom |
|---|---|---|
| 1 | -COOH | Acide carboxylique |
| 2 | C*OOH | Acide carboxylique |
| 3 | -CO-O-CO- | Anhydride |
| 4 | -CO-O-C*O | Anhydride |
| 5 | C*O-O-CO- | Anhydride |
| 6 | C*O-O-C*O | Anhydride |
| 7 | -CO-O-C*** | Ester |
| 8 | -CO-OC**- | Ester |
| 9 | C*O-O-C*** | Ester |
| 10 | C*O-O-C**- | Ester |
| 11 | -CHO | Aldéhyde |
| 12 | C*HO | Aldéhyde |
| 13 | CH*O | Aldéhyde |
| 14 | -C**-CO-C*** | Cétone |
| 15 | -C**-CO-C**- | Cétone |
| 16 | C***-CO-C*** | Cétone |
| 17 | C***-CO-C**- | Cétone |
| 18 | -C**OH | Alcool |
| 19 | C***OH | Alcool |
| 20 | C***-O-C*** | Éther |
| 21 | -C**-O-C*** | Éther |
| 22 | C***-O-C**- | Éther |
| 23 | -C**-O-C**- | Éther |