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Pronunciation varies by accent · noun
(organic chemistry, especially in combination) A univalent radical derived from pyrrolysine.
Use pyrrolysyl when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Pyrrolysyl means (organic chemistry, especially in combination) A univalent radical derived from pyrrolysine.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use pyrrolysyl where its definition matches the intended context.
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