Acide phosphinique,Acido fosfinico ,Dihydroxyphosphine ,Hydroxyphosphine oxide ,Hypophosphorous acid ,Phosphine oxide, hydroxy ,Phosphinic acid ,Phosphinsaure ,Phosphonous acid
Hypophosphorous acid (H3PO2) is also named dihydridohydroxidooxidophosphorus, phosphinic acid, or more commonly HPA