This grouping of drugs features brand name Adderall, while only generic versions are mentioned as struggling with boundaries to their availability from these drugmakers:哌甲酯及其主要代谢物利他林酸可在血浆、血清或全血中检验，以监测病人是否按医嘱用药，确认可能的中毒者，或协助剂量致命时的法�