Ketene acetals; 2-methylene-1,3-dioxolanes and 1,3-dioxanes.
D000080:Acetals; D004146:Dioxanes; D004148:Dioxolanes; D005030:Ethylenes; D007659:Ketones
D000080:Acetals; D004146:Dioxanes; D004148:Dioxolanes; D005030:Ethylenes; D007659:Ketones; C008223:ketene; C010962:formal glycol