Different drugs have different influences on the carrier . In this paper , the influence of caffeine on poly ( propylene-co - γ - butyrolactone carbonate ) ( PPCG ) was studied and discussed .
对碱性药物与新型脂肪族聚碳酸酯&聚[碳酸（亚丙酯-co-γ-丁内酯）酯]之间的相互影响进行了研究和讨论。
ppcg