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二 に硫酸 りゅうさんじゃなかった
niryūsanjanakatta

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Noun
, 
Da Copula

The past negative form of 二硫酸

1. Wasn't disulfuric acid.; Wasn't sulfuric acid.

Past/Perfective
, 
Negative
, 
Chemistry

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二硫酸じゃなかった

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