Гетероциклы с конденсированной системой ядер. Нуклеозиды и их производные (стр. 4 из 5)

O OH N N

HO – P ~ O – H
2C O C = O

O C H H C HN CH

H C C H C CH У

O OH O N

HO – P ~O – H
2C O C = O

O C H H C N N

H C C H NH
2 –C CH Г

O OH N N

HO – P ~ O – H
2C O C – NH
2

O C H H C N CH Ц

H C C H O=C CH

O OH N

HO – P ~ O – H
2C O

O C H H C

HCCH

О ОН
Структура ДНК

С = O

HN C – CH
3 O =C CH Т

N

–O – H
2C O C – NH
2

C H H C N N

H C C H HC CH А

O H N N

HO – P ~ O – H
2C O C = O

O C H H C HN C – CH
3