Procyanidin A1

(1R,5R,6R,13S,21R)-5-(3,4-Dihydroxyphenyl)-13-(3,4,5-trihydroxyphenyl)-4,12,14-trioxapentacyclo[11.7.1.0~2,11~.0~3,8~.0~15,20~]henicosa-2,8,10,15,17,19-hexaen-6,9,17,19,21-pentol

(1R,5R,6R,13S,21R)-5-(3,4-Dihydroxyphenyl)-13-(3,4,5-trihydroxyphenyl)-4,12,14-trioxapentacyclo[11.7.1.0~2,11~.0~3,8~.0~15,20~]henicosa-2,8,10,15,17,19-hexaene-6,9,17,19,21-pentol

(1R,5R,6R,13S,21R)-5-(3,4-Dihydroxyphényl)-13-(3,4,5-trihydroxyphényl)-4,12,14-trioxapentacyclo[11.7.1.0~2,11~.0~3,8~.0~15,20~]hénicosa-2,8,10,15,17,19-hexaène-6,9,17,19,21-pentol

8,14-Methano-2H,14H-1,7,9-trioxabenzo[6,7]cycloocta[1,2-a]naphthalene-3,5,11,13,15-pentol, 2-(3,4-dihydroxyphenyl)-3,4-dihydro-8-(3,4,5-trihydroxyphenyl)-, (2R,3R,8S,14R,15R)-

epigallocatechin-(4β->8,2β->O-7)-epicatechin

Procyanidin A1

[Wiki]

(2R,3R,8S,14R,15R)-2-(3,4-dihydroxyphenyl)-8-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H,14H-8,14-methanochromeno[7,8-d][1,3]benzodioxocine-3,5,11,13,15-pentol

Epigallocatechin-(2β->7,4β->8)-epicatechin