1-(4-chlorophenyl)-3-cyano-2-((3S,4R)-6-cyano-3-hydroxy-2,2-dimethyl-3,4-dihydro-2H-chromen-4-yl)guanidine
1-(4-chlorophenyl)-3-cyano-2-((3s,4r)-6-cyano-3-hydroxy-2,2-dimethyl-3,4-dihydro-2h-chromen-4-yl)guanidine