6-Hydroxypyrid-2-one azo dyestuffs

6-Isocyanato-6-substituted penicillins

6-Keto PGF analogs

6-Keto prostaglandin derivatives

6-L-dihydroxyethyl-2,4,7-trioxo-8-D-ribityl pteridine and proces

6-Methyl penicillins

6-Methyl-2H-1,3-oxazin-2,4(3H)dione-3-sulfohalides

6-Methyl-8-(substituted) methylergolines

6-Methyl-8.beta.-hydroxymethyl-8-.gamma.-substituted-9-ergolene

6-Methylbenzimidazolonylazobarbituric acid pigment

6-Morpholino-3-substituted phenyl-S-triazolo[4,3-b]pyridazines

6-Nitro-or amino-4-chromanone oxime

6-Oxo-7-substituted-6H-indeno-[5,4-b]furan(and thiophene)-carbox

6-Perhaloalkylsulfonyloxy-penicillanic acids and derivatives the

6-Phenyl-2H-pyrazolo[3,4-b]pyridines

6-Phenyl-4H-s-triazolo[4,3-a][1,4]benzodiazepines

6-Phenyl-4H-v-triazolo[1,5-a][1,4]benzodiazepines

6-Spirocycloalkylamino 5-nitropyrimidines

6-Substituted 1-phenazinol 5,10-dioxide derivatives

6-Substituted 2-naphthyl .alpha.-substituted acetamides