53750-66-6

Name:
4-chloropyridine-2-carbonyl chloride
Cas No.:
53750-66-6 
Formula:
C6H3Cl2NO  
Synonyms:

4-chloropyridine-2-carbonyl chloride; 4-chloropicolinoyl chloride; 4-Chloro-pyridine-2-carbonyl chloride; 4-Chloro-pyridine-2-carbonylchloride;53750-66-6; SBB053627; 

53016-31-2

Name:
NORELGESTROMIN
Cas No.:
53016-31-2 
Formula:
C21H29NO2  
Synonyms:

18-Methylnorethindrone oxime ; Levonorgestrel 3-oxime ; D-Norgestrel 3-oxime ;(17a)-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one Oxime ;NORELGESTROMIN; BRN 4202099 ;