prethcamide prethcamide prethcamide (trade name micoren) is a respiratory stimulant composed of two related drugs, cropropamide and crotethamide. it was developed by ciba-geigy. prethcamideclinical dataatc coder07ab06 (who) identifierscas number8015-51-8pubchem cid71672chemspider5020604unii41a1fcw148comptox dashboard (epa)dtxsid501001000 chemical and physical dataformulac25h46n4o4molar mass466.667 g·mol−1 (verify)