3-Methyl-4-pyridinecarboxaldehyde74663-96-031 % similar 1,3-Thiazole-2-carbaldehyde10200-59-630 % similar Oxazole-4-carbaldehyde118994-84-630 % similar 2-Aminopyrimidine-5-carbaldehyde120747-84-430 % similar 2,2'-Bipyridyl-5,5'-dialdehyde135822-72-930 % similar Pyrazine-2-carbaldehyde5780-66-530 % similar 2-Methylthiazole3581-87-130 % similar Methyl 5-formylthiophene-2-carboxylate67808-64-430 % similar