source: In its pure form, dextromethorphan occurs as a white powder.
target: Dextromethorphan appears as a white powder in its natural form.
references: Dextromethorphan appears as a white powder in its natural form. Pure dextromethorphan is a white powder. In its natural form dextromethorphan is a white powder. In its pure form, dextromethorphan looks like a white powder. In the pure form the chemical is a white powder. Pure dextromethorphan is a white powder. Dextromethorphan is a white powder in pure form. Dextromethohpan is a white powder when pure. Dextromethorphan is a white powder in its pure form. Pure dexdextromethorphan is a white powder.