2-Methyltetrahydrofuran-3-thiol's cas code 57124-87-5 est.
2-Methyltetrahydrofuran-3-unius codicis cas 3188-00-9.
2-Methylfuran-3-thiolum acetatis cas codicis 55764-25-5 est.
2,5-Dimethylfuran'scas Codex 625-86-5 est.
Casus codicis 2-Methylpyrazini 109-08-0 est.
2,5-Dimethyl pyrazini cas code est 123-32-0.