ChEBI: 1-methyl-3-propyl-7H-xanthine is an oxopurine that is 1-methyl-7H-xanthine in which the hydrogen attached to the nitrogen at position 3 has been replaced by a propyl group. It has a role as a bronchodilator agent. It is functionally related to a 1-methyl-7H-xanthine and an enprofylline.