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有効 ゆうこう成分 せいぶんではありませんでした
yūkōseibundewārimasendeshita

敬
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Noun
, 
Desu Copula

The polite, past negative form of 有効成分

1. Was not an active ingredient.; Was not effective.

Past/Perfective
, 
Negative
, 
Polite
, 
Formal Register
, 
Pharmacology

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有効成分ではありませんでした

有効成分ではありませんでした【ゆうこうせいぶんでわありませんでした】 Activity

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