@article{Finkel_shtein_1964, doi = {10.1070/rc1964v033n07abeh001443}, url = {https://doi.org/10.1070%2Frc1964v033n07abeh001443}, year = 1964, month = {jul}, publisher = {{IOP} Publishing}, volume = {33}, number = {7}, pages = {400--405}, author = {A I Finkel{\textquotesingle}shtein and N V Spiridonova}, title = {{CHEMICAL} {PROPERTIES} {AND} {MOLECULAR} {STRUCTURE} {OF} {DERIVATIVES} {OFsym}-{HEPTAZINE} [1,3,4,6,7,9,9b-{HEPTAAZAPHENALENE}, {TRI}-1,3,5-{TRIAZINE}]}, journal = {Russian Chemical Reviews}, abstract = {CONTENTS I. Introduction 400 II. Does melam exist? 400 III. Melem 401 IV. Melon — the material of Pharoah's serpents 402 V. Cyameluric acid, its salts and amides 403 VI. Hydromelonic acid 404 VII. Other derivatives of sym-heptazine 404} }