The present invention relates to a crystalline form a dihydropteridione derivative, namely a crystalline form of the free base N- [trans-4- [4- (cyclopropylmethyl) - 1-piperazinyl] cyclohexyl] -4- [[(7R) -7-ethyl-5, 6. 7, 8 - tetrahydro - 5 -methyl - 8 - (1 -methylethyl) - 6 - oxo - 2 - pteridinyl] amino] - 3 -methoxy -benz amide of structure (I), to a process for the manufacture thereof, and to the use thereof in a pharmaceutical composition.
本发明涉及一种二氢叶酸二酮衍
生物的结晶形式,即自由碱基N-[反式-4-[4-(环丙甲基)-1-
哌嗪基]环己基]-4-[[(7R)-7-乙基-5,6,7,8-四氢-5-甲基-8-(1-甲基乙基)-6-氧代-2-叶酸基]
氨基]-3-
甲氧基苯甲酰胺的结构(I),以及其制备方法和在制药组合物中的用途。