_:n6b3752ea37614560b545a4373940fac1xb0
<http://schema.org/image>
<https://upload.wikimedia.org/wikipedia/commons/9/97/N-butyllithium-tetramer-3D-balls.png>
<https://pt.wikipedia.org/wiki/Qu%C3%ADmica_organomet%C3%A1lica>