Solid tiger cave crystals and their preparation

摘要

It refers to tiger in crystal form such as form I, which has peak value of X-ray derivative, expressed in 2Q, 5.2; 8.3; 11.1; 24.8, etc. Crystallization form I shows the melting point starting temperature of hot platinum from 170 ℃ to 172 ℃; the first form is crystallization of tigrecilina, such as methylene chloride, outside the solution. It also refers to the second, third, fourth and fifth forms of preparation procedures and a drug synthesis. Tiger tail shark is an antibiotic against Golden filariasis