أرسل هذا في رسالة قصيرة: Polymorphism in metal complexes of thiazole-4-carboxylic acid

 _    _      ___                _____     ______  
| || | ||   / _ \\    ____     |  ___||  /_   _// 
| || | ||  / //\ \\  |    \\   | ||__      | ||   
| \\_/ || |  ___  || | [] ||   | ||__     _| ||   
 \____//  |_||  |_|| |  __//   |_____||  /__//    
  `---`   `-`   `-`  |_|`-`    `-----`   `--`     
                     `-`