Is there a traditional Chinese medicine prescription called "Sizhen Tang"? What are the ingredients?

Is it Four Substances Tang? It is made up of 4 herbs: Angelica sinensis, Rhizoma Ligustici Chuanxiong, Radix Paeoniae Alba and Radix Rehmanniae Praeparata, with Radix Angelica sinensis and Radix Rehmanniae Praeparata as the main herbs. A great feature of Si Wu Tang is that with the different proportions of the 4 herbs, Si Wu Tang can perform a wide range of functions. For example, using Radix Rehmanniae Praeparata and Radix Angelicae Sinensis and Rhizoma Ligustici Chuanxiong lightly is a good formula for tonifying blood; when Radix Angelicae Sinensis and Rhizoma Ligustici Chuanxiong are lightly used or not used, it can help pregnant women to preserve the fetus; when Radix Angelicae Sinensis and Rhizoma Ligustici Chuanxiong are heavily used, and White Peony is lightly used, it can treat scanty menstruation and amenorrhea caused by blood stagnation, etc. Four Substance Soup has the following effects: regulating menstruation, relieving pain, nourishing blood and dredging tendons