Methylsulfonalum, Butane, 2,2-bis(ethylsulfonyl)-, sek.-Butyliden-bis-aethylsulfon, Methylsulphonal, Tional, Trionalon, 2,2-Bis-aethansulfonyl-butan, Methylsulfonal, 2,2-bis-ethanesulfonyl-butane, Metilosulfonal, Sulfonethylmethane, Sulfonethylmethanum, TRIONAL