Acción Terapéutica Antimiasténico AMIASTEN → AC FARMA MESTINON → VALEANT PERU NEOSTIGMINA METIL SULFATO FRESENIUS KABI → FRESENIUS KABI NEOSTIGTEN → OTARVASQ PROSTIGMINE → VALEANT PERU PYRIDOS → OQPHARMACEUTIC PYRIPHARM → OQPHARMACEUTIC TIGMIN → OQPHARMACEUTIC