. . "Stereochemistry." . . "Composés hétérocycliques." . . "Związki heterocykliczne." . . "Stéréochimie." . . "Heterocyclic compounds." . . "Stereochemia." . . . "Oxygen, sulfur, mixed N, O and S phosphorus heterocycles"@en . . "Stereochemistry of heterocyclic compounds. Part II, oxygen; sulfur; mixed N, O, and S; and phosphorous heterocycles" . . . . . . . . "Stereochemistry of heterocyclic compounds. . pt. 2, Oxygen, sulfur, mixed N, O and S and phosphorus heterocycles"@en . . . "Stereochemistry of heterocyclic compounds. P. 2, Oxygen; sulfur; mixed N, O, and S; and phosphorus heterocycles" . . .