包接 ほうせつ化合 かごう ものじゃなかったです
hōsetsukagōmonojanakattadesu

Noun
Desu Copula

The polite, past negative form of 包接化合物

1. Wasn't an inclusion compound.; Wasn't accepting/receiving compounds.

Past/Perfective
Negative
Polite
Casual Register
Chemistry