ORGANIC MEDICINAL CHEMICALS 47 



LUTEIN. Dispensed in tablets representing about 20 gr. of fully developed corpora 

 lutea of pigs. Used in cases of gastric tetany, etc. Dose, I tablet three times 

 a day. 



LYSIDIN. (Ethylene-ethenyl-diamine.) (CH 2 N) (CH 2 NH)CCH 3 . (Methyl-gly- 

 oxalidin.) A very hygroscopic, pinkish- white, alkaline mass. Conies in the 

 form of 50 per cent, aqueous solution only. Said to possess five times the 

 uric-acid solvent power of piperazine. Thirty to 150 minims in one pint 

 or more of aerated water. 



MEDINAL. A sodium salt of verpnal, q.v. 



MERCUROL. (Mercurous Nuclein.) Brownish-white powder; contains 10 per 

 cent, of mercury. It does not precipitate albumen and is employed dis- 

 solved in physiologic salt solution. 



Methylene Blue. (Methylthioninse Hydrochloridum U. S.). Ci6Hi 8 N 8 SCl. A 

 blue aniline similar to the agent following. Anodyne, antiperiodic, analgesic, 

 bactericide. Employed especially in carcinomatous growths. Dose, o.i to 

 0.5 Gm. (hypodermically). The crystalline powder has a dark-green color. 



METHYLENE VIOLET. (Pyoktanin Cceruleum.) Also called methyl-blue. Violet 

 crystalline powder. Excellent bactericide and deodorant. Deeply pene- 

 trates the tissues and colors the urine. Applied to purulent wounds, malignant 

 tumors, chancroids, etc. 



MIGRANIN. A combination of 89.4 per cent, of antipyrin, 8.2 per cent, of caffein, 

 0.56 per cent, of citric acid. For migraine and as a general analgesic. 



Naphthalenum. CioH 8 . Antiseptic. 



NAPHTOL (Betanaphthol U. S.). CipHTOH. Antiseptic. Dose, 0.25 Gm. (4 gr.). 



NARGOL. (Silver Nuclein.) Contains 10 per cent, of silver. (Allied to Argyrol.) 



NEO-SALVARSAN. A modified (sodium combination) of salvarsan. Three parts 

 of this salt is approximately equal to that of 2 parts of Salvarsan. See "New 

 and Non-Official Remedies." 



/ C,H 4 CO 



NOSOPHEN. (Tetra-iodo-phenolphthalein.) (CH 2 I 2 OH) 2 C^- Q/. Also known 



as iodophen; containing 60 per cent, of iodine. Pale yellow, odorless, and 

 tasteless powder. Its sodium salt is known as antinosin, the bismuth salt 

 as eudoxin. A harmless yet efficient substitute for iodoform. 



NOVOCAINE. Cocaine substitute. Para-amino-benzoyl, diethyl-amino-ethanol 

 hydrochloride. CH 2 (C 6 H4NH 2 COO)[N(C 2 H6) 2 ]HC1. Use, same as cocaine. 



OREXIN. (Phenyl-dihydro-chinazoline.) CsEUCH^NC^sNCH. Colorless, lus- 

 trous, odorless crystals of bitter, pungent taste. Dose, 0.13 to 0.4 Gm. (2 to 

 6 gr.). 



OUABAIN, CRYSTALLIZED. Crystallized Strophanthin. G-Strophanthin Thorns. 

 CsoH46Oi2+9H 2 O. A glucoside, obtained from Acocanthera ouabaio by Ar- 

 naud, or, as now commonly prepared, from Strophanthus gratus, in which 

 case it is also called crystallized strophanthin, or g-strophanthin Thorns. 

 (The official strophanthin is methyl ouabain, CsiH^sOu.) 



PARAFORMALDEHYDUM. (Paraform) (Trioxymethylene). It contains not 

 less than 95 per cent, of (HCHO) 3 (90.05), a polymeric form of formaldehyde. 

 White friable masses or as a powder having a slight odor of formaldehyde. 

 Antiseptic and escharotic. Dose, 0.5 Gm. (8 gr.). 



Paraldehyde (U. S.). C 6 H 12 O3. Hypnotic. Dose, TIRXV to 5j (i to 4 mils.). 



PERONIN. (C 6 H 5 CH 2 O(OH)Ci7H 17 NO.HCl. Feeble narcotic. Dose, % to i gr. 



(Ks to Ks Gm.). 



/NH CH 3 CO 



PHENACETIN. CeH^ . (Acetphenetidinum U. S.). Antipyretic 



X)C 2 H 5 

 and analgesic. Dose, 7.5 gr. (0.5 Gm.) 



PHENOCOLL HYDROCHLORIDE. (Amido-acetparaphenetidin Chloride.) CeHo 

 (OC 2 H6)NHCOCH 2 NH 2 HC1. A white powder of a slightly saline taste. 

 Antipyretic, in typhoid fever and pneumonia and in various forms of rheu- 

 matism and neuralgia. Dose, 8 to 15 gr. (0.5 to i.o Gm.). 



PHENOLPHTHALEINUM. (C 6 H4OH) 2 CO.C 6 H 4 CO. White or faintly yellow- 

 ish-white crystalline powder, odorless and tasteless. Permanent in the air. 

 Purgative. Dose, 0.15 Gm. (2% gr.). 



PHENYLIS SALICYLAS. See Salol. 



PIPERAZINE. (Piperazidine, Diethylen-diamine, Dispermine.) NH(CH 2 )4NH. 

 A colorless crystalline body of alkaline reaction, hygroscopic, taste not un- 



