Merck 818259 (2S,2'S)-(-)-2-Hydroxymethyl-1-[(1-Methylpyrrolidine- 2-Yl)-Methyl]-Pyrrolidine For Synthesis Cas 66283-23-6Merck 818259 (2S,2'S)-(-)-2-Hydroxymethyl-1-[(1-Methylpyrrolidine- 2-Yl)-Methyl]-Pyrrolidine For Synthesis Cas 66283-23-6, Merck818259.0001