Spiramycin A (7CI,8CI); Foromacidine A; Oxacyclohexadecane, leucomycin Vderiv.; Spiramycin I;ForomacidinA (6CI); Leucomycin V, 9-O-[5-(dimethylamino)tetrahydro-6-methyl-2H-pyran-2-yl]-,[9(2R,5S,6R)]-;Leucomycin V,9-O-[(2R,5S,6R)-5-(dimethylamino)tetrahydro-6-methyl-2H-pyran-2-yl]-; 

Spirapril;(8S-(7(R*(R*)),8R*))-7-(2-((1-(Ethoxycarbonyl)-3-phenylpropyl)amino)-1-oxopropyl)-1,4-dithia-7-azaspiro[4.4]nonane-8-carboxylic acid;