EINECS 261-978-4, 2-Methylthiomethyl-5-methylthiopent-2-enal, 2-methylthiomethyl-5-methylthio-2-pentenal, 2,8-Dithianon-4-en-4-carboxaldhyde, Methialdol, FEMA No. 3483, 2,8-Dithianon-4-ene-4-carboxaldehyde, 5-methylsulfanyl-2-methylsulfanylmethyl-pent-2-enal