5-20-03-00099 (Beilstein Handbook Reference) 92793-35-6 BRN 0226907 Ethyl(piperidinomethyl)malonic acid diethyl ester Etil piperidinometil malonato dietilico [Italian] MALONIC ACID, ETHYL(PIPERIDINOMETHYL)-, DIETHYL ESTER Sch 3701