0-20-00-00066 (Beilstein Handbook Reference) 53361-58-3 BRN 0309513 Fenil piperidinometil malonato dietilico [Italian] MALONIC ACID, PHENYL(PIPERIDINOMETHYL)-, DIETHYL ESTER Phenyl(piperidinomethyl)malonic acid diethyl ester Sch 3801