5-Bromovanillin, mp 164°C (No bp listed in beilstein)
5-Hydroxyvanillin, mp 132°C (No bp listed in beilstein)
3,4,5-Trimethoxybenzaldehyde, mp 77°C
3,4,5-Trimethoxybenzaldehyde, bp 163-165°C/10mmHg, 158-161°C/7-8mmHg, 148-151°C/5mmHg, 136-138°C/4mmHg, 130°C/0.5mmHg