Which parahydroxybenzoate preservatives are present in Acidex/Care/Numark Advance Heartburn & Indigestion Relief Aniseed Oral Suspension, and how much of each is contained in 10 ml?

Acidex/Care/Numark Advance Heartburn & Indigestion Relief Aniseed Oral Suspension, a Pinewood Healthcare product, contains ethyl parahydroxybenzoate (E214) 15.0 mg, propyl parahydroxybenzoate (E216) 5.50 mg and butyl parahydroxybenzoate 2.50 mg per 10 ml.