1,2,4a,5,6,7,8,8a-Octahydro-beta,delta-dihydroxy-2,6-dimethyl-8-(2-methyl-1-oxobutoxy)-1-naphthaleneheptanoic acid monoammonium salt, (1S-(1alpha(betaS*,deltaS*),2alpha,4abeta,6beta,8beta(R*),8aalpha))- 1-Naphthaleneheptanoic acid, 1,2,4a,5,6,7,8,8a-octahydro-beta,delta-dihydroxy-2,6-dimethyl-8-(2-methyl-1-oxobutoxy)-, monoammonium salt, (1S-(1alpha(betaS*,deltaS*),2alpha,4abeta,6beta,8beta(R*),8aalpha))- 77550-74-4 Dihydromevinolinic acid, monoammonium salt