000 00389nam a2200169 4500
020 _a
_c
082 _a547.59 ELD
100 _a
245 _aHECTROCYCLIC COMPOUNDS
_hENGLISH
250 _a4
260 _aNEWYORK
_bJOHN WILEY
_c1952
300 _a674
_fHB
500 _a NO PRICE
590 _d
650 _aHECTROCYCLIC COMPOUNDS
942 _cREF
999 _c274141
_d274141