An organic compound containing phosphorus as a constituent. Included here are organic phosphinic, phosphonic and phosphoric acid derivatives and their thiophosphorus counterparts. Excluded are phospholipids and sugar phosphates.
(<=> (Organophosphorus-Compound ?Self) (And (Organic-Chemical ?Self) (Exists (?A) (And (Component ?Self ?A) (Phosphorus ?A))) (Not (Phospholipid ?Self)) (Not (Sugar-Phosphate ?Self))))