Although the chemicalformulae of indirubin and indigotin are the same but the structures are different, and indigotin does not possess the anti cancer characteristics.
虽然靛玉红与靛蓝的化学方程序一样但其构造式不同。靛蓝没有抗癌之作用。
3
It includes the MathML DTD for handling formulae (chemical and mathematical formulae can also be included as specially typed images), and provides for biological data references.