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プロトカテク酸 さんでした
purotokatekusandeshita

敬
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Noun
, 
Desu Copula

The polite past form of プロトカテク酸

1. Protocatechuic acid was.

Past/Perfective
, 
Polite
, 
Chemistry

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プロトカテク酸でした

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