benzaldehyde-α-13c,α-d1;benzaldehyde-carbonyl-13c,d;BENZALDEHYDE-CARBONYL-13C,D1;BENZ(ALDEHYDE-D)-CARBONYL-13C;BENZALDEHYDE-ALPHA-13C,ALPHA-D1;Benzaldehyde-alpha-13C,alpha-d1 99 atom % 13C, 99 atom % D;BENZ(ALDEHYDE-D)-CARBONYL-13C, 99 ATOM % 13C, 99 ATOM % D