A 1,1-diol resulting from the formal addition of water to the carbonyl group of a ketone.
| Member | Definition | Role |
|---|
| decarbamylsaxitoxin | A pyrrolopurine that is 2,6-diiminodecahydropyrrolo[1,2-c]purine carrying an additional hydroxymethyl substituent at position 4 as well as two hydroxy substituents at position 10. A toxin that is isolated from marine dinoflagellates and cyanobacteria and is known to cause paralytic shellfish poisoning. | decarbamoylsaxitoxin |
| ninhydrin | A member of the class of indanones that is indane-1,3-dione bearing two additional hydroxy substituents at position 2. | ninhydrin |
| saxitoxin | An alkaloid isolated from the marine dinoflagellates and cyanobacteria that causes paralytic shellfish poisoning. | saxitoxin |