ChemNet > CAS > 91-18-9 pteridine? Pteridine? 1?3?5?8-??????????????? ?????????? 268562 NSC? Pyrazino (2?3-d) ?????????? ???????? (4?5-b) ???????

91-18-9 pteridine? Pteridine? 1?3?5?8-??????????????? ?????????? 268562 NSC? Pyrazino (2?3-d) ?????????? ???????? (4?5-b) ???????

??? ?????	pteridine? Pteridine? 1?3?5?8-??????????????? ?????????? 268562 NSC? Pyrazino (2?3-d) ?????????? ???????? (4?5-b) ???????
??? ???????	pteridine;Pteridine; 1,3,5,8-Tetraazanaphthalene; Azinepurine; NSC 268562; Pyrazino(2,3-d)pyrimidine; Pyrimido(4,5-b)pyrazine
????? ????????	C₆H₄N₄
??? ???????	132.1228
InChI	InChI=1/C6H4N4/c1-2-9-6-5(8-1)3-7-4-10-6/h1-4H
????? ??????	91-18-9
?????? ???????
?????	1.369g/cm³
???? ?????	265°C at 760 mmHg
???? ????	1.68
???? ??????	124.7°C
???? ????	0.0154mmHg at 25°C
??? ??????
????? ???
??????? ?????

潘金莲被吸乳揉到高潮的视频,久久99久久99精品免观看,在电影院里拨开内裤挺进,护士交换粗吟配乱大交动态图