2,1,3-Benzoxadiazole-4-carboxaldehyde32863-32-430 % similar 2-(tert-Butylthio)benzaldehyde65924-65-430 % similar 2-Formylphenylboronic acid40138-16-730 % similar 2,3-Dichlorobenzaldehyde6334-18-530 % similar 2-Cyanobenzaldehyde7468-67-930 % similar