4.
Name: Cyclopenta[a]cyclopropa[g]naphthalene,tetradecahydro- 3a,5a,7a-trimethyl-1-(1-methylethyl)-,[1S-(1R,3aâ,5aR,6aR,7aR,8aâ,8bR)]-
CAS: 67351-43-3



5.
Name: Cyclo[(3R)-3-phenyl-â-alanyl-L-seryl-(3S,- 4R)-3,4-dichloro-L-prolyl-(2S)-2- aminobutanoyl-L-seryl]
CAS: 38776-70-4


