BULETINUL SOCIETĂŢII DE SCIINŢE 



347 



QH 2 <^ 



CH 9 



(OH), 



Phene— methyl-triol 3. 4. 5. 

 (Existe conime ether dimethylique 4. 5). 



C C H (CH 3 ) 2 (OH), 



Phene-dimethyl 1. 3-triol 2. 4. 5. 



C 6 H 2 < 



QH 7 



(OH), 



Phene— propyl-triol 2. 3. 5. 

 (Existe corame ether dimethylique 2. 3, 2. 5 et 2. 3. 5). 



C 6 H (CH 3 ) (OH) 4 



Phene -methyl-tetrol 2. 3. 5. 0. 



QH (C 3 H 7 ) (OH) 4 



Phene — propyl-tetrol 2. 3. 4. 5. 

 (Existe â l'etat d'fither methylique). 



B) C o m p o s e s. 

 CH 3 



/CH— CH 3 

 C 6 H 3 r— CH 3 

 \OH 



Phene— metho ethyl, methyl 4— ol 3 (et 1. 4. 2). 



^. /i chaiue polycyclique, arborescents satures. 



QoH 5 <C 



(OH) 4 



Naphtene— methyl l-tetrol ?>. 5. 7. 8. 



H 

 C 



HC/\.CH 



HO 

 HO- 



C 

 CH 3 - 



CH 



C 



C CH 3 



I 

 C— CH— CH 3 



CH 



CH 



Phenanthreneortho- metho ethyl 6, methyl 3-diol l t . 2 4 

 Retene - diol l t . 2 X . 



