Kod CAS 2-metylotetrahydrofurano-3-tiolu to 57124-87-5.
Kod CAS 2-metylotetrahydrofuran-3-jeden to 10-102-023.
Kod CAS octanu 2-metylofurano-3-tiolu to 55764-25-5.
Kod CAS 2,5-dimetylofuranu to 625-86-5.
Kod CAS 2-metylopirazyny to 109-08-0.
Kod CAS 2,5-dimetylopirazyny to 123-32-0.