(Q56088779)
Statements
struktura 2-pironu będąca szkieletem jego pochodnych, piran-2-onów (Polish)
structure of 2-pyrone, a core structure of its derivatives, pyran-2-ones (English)
0 references
any heterocyclic compound having a six-membered, unsaturated ring with one oxygen heteroatom and a carbonyl group attached in 2 position