Supplier Page from Thermo Fisher Scientific for (Formylmethylene)triphenylphosphorane, 97%, may cont. up to ca 3% water
1-Ethylpiperidine, 99% from Thermo Fisher Scientific
2-Ethoxybenzamide, 97% from Thermo Fisher Scientific
Emodin, 95%, tech from Thermo Fisher Scientific
Ethyl phenylcyanoacetate, 97% from Thermo Fisher Scientific