2'-(甲硫基)-6'-氧代-5'-(((三氟甲基)磺酰基)氧基)-6'H-螺[环己烷-1,9'-吡嗪[1',2':1],5]吡咯并[2,3-d]嘧啶]-7'(8'H)-羧酸盐 2170746-98-0