异丁苯丙酸

Ibuprofen or Nurofen / nonsteroidal anti-inflammatory drug (NSAID), trade names Advil, Motrin, Nuprin etc, used as analgesic and antipyretic, e.g. for arthritis sufferers / also called 布洛芬

different / other / hetero- / unusual / strange / surprising / to distinguish / to separate / to discriminate

male adult / the 4th of the 10 Heavenly Stems 天干[tian1 gan1] / fourth (used like "4" or "D") / small cube of meat or vegetable / (literary) to encounter / (archaic) ancient Chinese compass point: 195° / (chemistry) butyl

benzene / benzol (chemistry)

third of the ten Heavenly Stems 十天干[shi2 tian1 gan1] / third in order / letter "C" or Roman "III" in list "A, B, C", or "I, II, III" etc / ancient Chinese compass point: 165° / propyl

sour / tart / sick at heart / grieved / sore / aching / pedantic / impractical / to make sarcastic remarks about sb / an acid