szolcsanyi/education/files... · Part X=O, N Y=H, C, Na N EtO NH2 NH2 OEt OEt OEt H2N N 1-12 N 1-12...
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szolcsanyi/education/files... · Part X=O, N Y=H, C, Na N EtO NH2 NH2 OEt OEt OEt H2N N 1-12 N 1-12 NI-12 HO NH N 1-12 NH2 NH2 Guanidines NH H2N NH2 ß-Dialdehydes ß-Aldehydoketones