词典论坛联络

   德语 +
Google | Forvo | +

Paracetaldehyd

m
化学 paraldehyde; paracetaldehyde; 2,4,6-trimethyl-1,3,5-trioxacyclohexane; 2, 4, 6-trimethyl-1, 3, 5-trioxacyclohexane