Discussion above was valid for two color indicators, however, there are also indicators that have only one color - like phenolphthalein. 0.1 M strong monoprotic acid titrated with 0.1 M strong monoprotic base in the presence of the phenolphthalein. Note that while only color change area is marked on the plot, solution is colorless for lower pH and pink for higher pH.
Many different types of chemotherapy drugs are used to treat breast cancer. Common types of chemotherapy drug classes include: Anthracyclines include doxorubicin (Adriamycin) and epirubicin (Ellence). Anthracycline-based combination regimens are often used to treat early-stage breast cancer, as well as advanced cancer.
HIV Medications. Several different classes of medications for HIV are available. These classes are divided into seven different groups and include NRTIs, NNRTIs, NtRTIs, protease inhibitors, entry inhibitors, integrase inhibitors, and combination medications. In most cases, people with HIV or AIDS use medications from several of these classes.