4-乙氧甲酰基喹诺-2-酮

2-(4-氯苯基)喹啉-4-甲酸

Ethyl 2-chloroquinoline-4-carboxylate

2-(2-氧代-3-吲哚)乙腈

2-cyano-2-(2-oxo-1,3-dihydroindol-3-yl)acetic acid