139540-45-7 1mg
551.77 0.5 116.07
89919-62-0 约20 mg/支
115939-25-8 20mg
388.17
101020-89-7 280.32
81346-71-6 224.26
664338-39-0 392.54
141-97-9 (ketone form), 1522-29-8 (enol form) 130.14
187237-35-0 133.14 36.46
