3-羟基-2-氧代-3-三氟甲基-6-甲基吲哚啉

3-羟基-2-氧代-3-三氟甲基-7-甲基吲哚啉

2-羟基-2-(三氟甲基)-4-戊烯酸甲酯

dimethyl bis(trifluoromethyl)tartarate, meso form

2,3-dihydroxy-2,3-bis(trifluoromethyl)succinic acid dimethyl ester