D-.alpha.-(4-hydroxypyridine-3-carbonamido)-p-hydroxyphenylaceta

d-.alpha.-Isobutylsulfobenzylpenicillin hemi-solvate crystals

D-3,6-Diaminohexanoic acid 2-(carboxymethyl)-2-methylhydrazide,

D-6-methyl-8-formyl-10.alpha.-alkoxy-8-ergolene

D-Ala.sup.5 -somatostatin and intermediates thereto

D-amino acid analogs of beta-endorphin

D-aminophenylacetic acid compounds and derivatives

D-Arginine.sup.24 calcitonin

D-glucose-1-0-nicotinoyl-2-deoxy-2-nictinamido derivatives

D-Homo oxasteroids

D-homo steroids

D-Homo-19-norsteroids

D-homo-19-norsteroids

D-homo-aza-steroids

D-Homo-pregnene steroids

D-Homopregnanes

D-Homopregnanes

D-Homopregnanes

D-homopregnanes

D-Homosteroids