1.
Name: 2-Butenedioic acid,2-methyl-,4-ethyl 1-[(1R,3R,5S,6R)-8-methyl-6-[(3-methyl-1- oxo-2-butenyl)oxy]-8-azabicyclo[3.2.1]oct-3- yl] ester,(2E)-
CAS: 70474-24-7



3.
Name: 3-(7,9,9-trioxo-9$l^{6}-thia-8-azabicyclo[4.3.0]nona-1,3,5-trien-8-yl)propanoate
CAS: 83747-21-1



4.
Name: disodium (2R,4aR,6aS,6bR,10S,12aS,14bS)-10-[(E)-3-carboxylatoprop-2-enoyl]oxy-2,4a,6a,6b,9,9,12a-heptamethyl-1,3,4,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydropicene-2-carboxylate
CAS: 85559-57-5


