tiotropium bromide molecule. antimuscarinic bronchodilator used in the tratement of chronic obstructive pulmonary disease copd,

tiotropium bromide antimuscarinic bronchodilator chronic obstructive pulmonary disease copd asthma muscarinic lungs anticholinergic bromine bronchodilation inhaler sulfur drawing flat icon hydrogen carbon oxygen organic chemistry structural formula atomic molecule structure chemical atom molecular vector sheet notebook cage molecule used tratement asthma model paper cage