EPL0420002
Levodropropizine impurity A - (2R)-3-(4-phenylpiperazin-1-yl)propane-1,2-diol(dextrodropropizine)
EPY0001379
Levonorgestrel impurity B - 13-ethyl-17-hydroxy-18,19-dinor-17-alpha-pregn-5(10)-en-20-yn-3-one
Levodropropizine impurity A - (2R)-3-(4-phenylpiperazin-1-yl)propane-1,2-diol(dextrodropropizine)
Levonorgestrel impurity B - 13-ethyl-17-hydroxy-18,19-dinor-17-alpha-pregn-5(10)-en-20-yn-3-one