This compound is "-endiyn-"
Work Step by Step
1. Identify the double and triple bonds: This structure has one double bond and two triple bonds. 2. Find how to describe this insaturation: A structure with one double bond is represented by "-en-", and a structure with one triple bond is represented by "-yn-". But, since there are two triple bonds, they will be represented by "diyn." Therefore, this compund is "-endiyn-".