Synthese 1 Synthese 4 Synthese 6 Synthese 8 Synthese 9 Synthese 12 Synthese 13 Synthese 15 Synthese 20 Synthese 32 Synthese 33 Synthese 35 Synthese 38 Synthese 39 Synthese 41 Synthese 42 Synthese 44 Synthese 46 Synthese 48 Synthese 50