TABLE OF CONTENTS. Xlll 



d. Monobasic tetratomic acids ;:.,' ^i. '..-.. . 360 



Gallic acid . . , ..... 360 



Rufigallic acid .361 



Supplement : Quinic acid . . . . . 361 



e. Bibasic acids ........ 362 



Benzenedicarbonic acids (Phtalic, Isophtalic, Tere- 



phtalic acids) 362 



Acids, C 2 H 8 4 (Uvitic, Xylidinic, Isuvitic acids) . 366 



Acids, C 10 H'0* (Cumidinic acid) .... 367 



/. Tribasic acids 367 



Benzenetricarbonic acids (Trimesic, Hemimellitic, 



Trimellitic acids) 367 



g. Tetrabasic acids 368 



Benzenetetracarbonic acids (Pyromellitic, Prehni- 

 tic, Mellophanic acids) . . . ' ' ' '. - .368 



h, Hexabasic acids 370 



Mellitic, Hydromellitic acids .... 370 



SECOND GROUP. 



Cinnamene (Styrol) 372 



Styryl alcohol 373 



Cinnamic aldehyde 373 



Cinnamic acid 374 



Atropic, Isatropic acids 376 



Phenylangelic acid . . . . . . 376 



Coumarin and homologous compounds . . . 377 



Coumaric, Paracoumaric acids .... 378 



Caffeicacid . . . . .... . . .378 



THIRD GROUP. 



Acetcnylbenzene (Phenylacetylene) . . . 379 



Diacetenylphenyl . . . . . ... 379 



Phenylpropiolic acid . ..:*-. . . 380 

 Supplement : 



Anethol 380 



Eugenol, Eugctic, Sinapic, Hemipinic, Opianic 



acids, Meconin, Hydropiperic acid . . . 381 



FOURTH GROUP, INDIGO-GROUP. 



Indigo-blue .... 383 



Indigo-white .... 



Isatin 



Trioxindol (Isatic acid), Dioxindol (Hydrindic 



acid) ..... 

 Oxindol, Indol, Isatyde, Indin 



III. NAPHTHALENE-DERIVATIVES. 



385 

 387 



388 

 389 



A. HYDROCARBONS, C n H 2 *- 12 . . . v '- . , . 391 



Naphthalene . . .... .. . : ., :.'.?.N;v- . 391 



B 



