188559-05-9
[R-(E)]-3-(1-羰基-2-戊烯基)-4-苯基-2-噁唑烷酮
→
174590-40-0
环戊醇,2-(甲氧基甲氧基)-,(1R,2R)-rel-
90319-52-1
(R)-4-苯基-2-恶唑烷酮
33698-85-0
trans-2-pentenoyl chloride