4-trimethylazaniumylbut-2-enoate (E)-4-trimethylazaniumylbut-2-enoate 4-trimethylammoniobut-2-enoate (E)-4-trimethylammoniobut-2-enoate 927-89-9 (2E)-4-(trimethylammonio)but-2-enoate Crotonsaeurebetain [German] (3-carboxyallyl)trimethylammonium hydroxide, inner salt (3-Carboxyallyl)trimethylammonium hydroxide, inner salt (6CI,7CI) 2-Propen-1-aminium, 3-carboxy-N,N,N-trimethyl-, hydroxide, inner salt (9CI) 4-(trimethylammonio)but-2-enoate CROTONO-BETAINE (E)-4-(trimethylammonio)but-2-enoate CHEBI:17237 Crotonsaeurebetain croton betaine crotonic acid betaine crotonobetaine Ammonium, (3-carboxyallyl)trimethyl-, hydroxide, inner salt