16339-21-2 2-Methylnitrosamino-2-methylpentanon(4) [German] 2-Pentanone, 4-methyl-4-(N-nitrosomethylamino)- 3-04-00-00894 (Beilstein Handbook Reference) 4-Methyl-4-(N-nitrosomethylamino)-2-pentanone BRN 1765427 Methyl-1,1-dimethylbutanon(3)-nitrosamin [German]