Give the IUPAC name of

1.	Give the IUPAC name of
Answer» 4-ethyl-3-methylpene-4-en-1-yne 2-ethyl-3-methylpenet-1-en-4-yne 4-ethyl-3-methylpent-1-yne-1-en 2-ethyl-3-methylpent-4-yne-1-en Answer :B

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