2,2,4,4-Tetramethylvaleric acid 3-morpholinopropyl ester hydrochloride 3-Morpholinopropyl 2,2,4,4-tetramethylvalerate hydrochloride 33421-69-1 Pentanoic acid, 2,2,4,4-tetramethyl-, 3-morpholinopropyl ester, hydrochloride Valeric acid, 2,2,4,4-tetramethyl-, 3-morpholinopropyl ester, hydrochloride