noscapine molecule. it is non-sedating isoquinoline alkaloid used for its antitussive properties. molecule model. sheet of paper

alkaloid analgesic antitussive atom atomic benzylisoquinoline cage carbon chemical chemistry compound design drawing drug flat formula hydrogen icon illustration isoquinoline molecular molecule nonnarcotic nonsedating noscapine notebook organic oxygen papaveraceae phthalide phthalideisoquinoline poppy sheet structural structure vector