Table 1.

Compositions used to scale up amounts of ritonavir crystal forms

Form	Amount of ritonavir, mg	Total solvent volume, μl	Solvent 1	Volume of solvent 1, μl	Solvent 2	Volume of solvent 2, μl
III	100	500	Formamide	375	Toluene	125
III	100	500	Formamide	375	Butyl acetate	125
III	100	500	Formamide	375	Acetone	125
IV	100	500	Acetonitrile	125	Butyl acetate	375
IV	100	500	Acetonitrile	250	Isobutyl acetate	250
IV	100	500	Acetonitrile	250	Isopropyl acetate	250
V	50 (form III)	10,000	Deionized water	10,000