Onium Compounds. Compounds, Onium . Ions with the suffix -onium, indicating cations with coordination number 4 of the type RxA+ which are analogous to QUATERNARY AMMONIUM COMPOUNDS (H4N+). Ions include phosphonium R4P+, oxonium R3O+, sulfonium R3S+, chloronium R2Cl+ . 1.00
Bis-Trimethylammonium Compounds. Bis-Trimethyl-Ammonium Compounds . Bis Trimethyl Ammonium Compounds . Bis Trimethylammonium Compounds . Methonium Compounds . Compounds containing polymethylene bis-trimethylammonium cations. Members of this group frequently act as ganglionic blockers and neuromuscular depolarizing agents. . 0.62
Ammonium Compounds. Ammonium . Inorganic compounds that include a positively charged tetrahedral nitrogen (ammonium ion) as part of their structure. This class of compounds includes a broad variety of simple ammonium salts and derivatives. . 0.61
Sulfonium Compounds. Compounds, Sulfine . Compounds, Sulfonium . Sulfine Compounds . Sulfur compounds in which the sulfur atom is attached to three organic radicals and an electronegative element or radical. . 0.59
Diazonium Compounds. Compounds, Diazonium . Azo compounds consisting of an aryl or alkyl group that is joined through two nitrogen atoms to an anion (R-N2+X-). . 0.59
Onions. Leek 21221 . Onion . Allium cepa . Allium porrum . Cepa vulgaris . Leeks . Common Onion . Herbaceous biennial plants and their edible bulbs, belonging to the Allium genus. . 0.58
Selenium Compounds. Compounds, Selenium . Inorganic compounds that contain selenium as an integral part of the molecule. . 0.57