2,4-Oxazolidinedione, 5,5-dimethyl-3-(piperidinomethyl)- 5,5-Dimethyl-3-(piperidinomethyl)-2,4-oxazolidinedione 5,5-Dwumetylo-3-(piperydylometylo)oksazolidyno-2,4-dion [Polish] 7061-14-5