英文别名(2S,3R,8S,14R,15R)-2,8-Bis(3,4-dihydroxyphenyl)-3,4-dihydro-2H,14H-8,14-methanobenzo[7,8][1,3]dioxocino[4,5-h]chromene-3,5,11,13,15-pentaol; Proanthocyanidin A4; (-)-epicatechin-(2β→O→7,4β→8)-(-)-catechin; proanthocyanidin A-4; 8,14-Methano-2H,14H-1-benzopyrano[7,8-d][1,3]benzodioxocin-3,5,11,13,15-pentol,2,8-bis(3,4-dihydroxyphenyl)-3,4-dihydro-, (2S,3R,8S,14R,15R)- 
