| Answer | Crossword Clue |
|---|---|
| ENE | Suffix with unsaturated hydrocarbons |
| alkene | any of numerous unsaturated hydrocarbons having one double bond |
| amylene | any of five unsaturated isomeric hydrocarbons having the formula C5H10 |
| amylenes | any of five unsaturated isomeric hydrocarbons having the formula C5H10 |
| hemiterpene | any of a class of simple unsaturated hydrocarbons, such as isoprene |
| hemiterpenes | HEMITERPENE, any of a class of simple unsaturated hydrocarbons, such as isoprene |
| cyclopentadiene | a colourless liquid unsaturated cyclic hydrocarbon obtained in the cracking of petroleum hydrocarbons and the distillation of coal tar, used in the manufacture of plastics and insecticides |
