decomposition of egg-albumin at 180° C., etc. 
539 
(iii) CH (OH) . (CN) 2 + 2HCN into 
tartronic nitrile 
NH- CO 
I I 
CH C— NH 
j \ 
CH 
// 
N — C— N 
hypoxanthine 
(iv) orthodH H 2 . C 6 H 4 . CHO into the para form, and 
(v) the conversion of 3HCNS into 
HCN + (HCN) 2 S 3 . 
