Cyclic (adenosine- (3' −> 5')- monophosphate- adenosine- (3' −> 5')- monophosphate- guanosine- (3' −> 5')- monophosphate) ( c[A(3',5')pA(3',5')pG(3',5')p] / Cyclic AMP-AMP-GMP / cAAG / 3'3'3'-cAAG ), C 361-005 图片