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A	B	C	D	E	F
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M	N	O	P	Q	R
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Y	Z

2-Ethynylanisole

1-Ethynyl-2-nitro-benzene

1-Ethynyl-3 5-dimethoxybenzene 98

1-Ethynyl-4-heptylbenzene

1-Ethynyl-4-isopropylbenzene

4-Bromo-2-fluoroacetophenone

1-Ethynyl-4-methoxy-2-methylbenzene

1-Ethynyl-4-phenoxybenzene

1-Ethynyladamantane

1-Ethynylcyclohexene