After reflecting on her conversation with C.B.’s physician, C.B.’s mother decides that she is ready to treat C.B.’s ADHD with a stimulant along with behavioral modification. She decides to consult the Internet to educate herself about stimulants before discussing treatment further with the physician. After her review, she is confused by the variety of formulations available and which stimulant would be best for C.B. She calls your pharmacy for advice. What relevant information can be provided to C.B.’s mother to help differentiate among the available stimulant formulations presented in Table 85-2?