2-Pyridylmethyl 2,2-dimethylpropionate 5-21-02-00152 (Beilstein Handbook Reference) 50315-49-6 BRN 1452019 CCRIS 7133 F 1217 Methanol, 2-pyridyl-, 2,2-dimethylpropionate Propionic acid, 2,2-dimethyl-, 2-pyridylmethyl ester