Angiotensin, ammonium bicarbonate, apomyoglobin, cresyl violet, cytochrome c, Glu-fibrinopeptide B, insulin, insulin chain A, Leu-enkephalin, trypsinogen, sinapinic acid, trifluoroacetic acid (TFA; ...

Polyphonic ringtones should not be mistaken with the so called "True tones" (also known as "Real tones") which are simply audio recordings, typically in a common format such as MP3, AAC, or WMA.