IUPAC 名称
(1R,5R,6R,13S,21R)-13-(3,4-dihydroxy-5-methylphenyl)-5-(3,4-dihydroxyphenyl)-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
描述
Isolated from cassia bark (Cinnamomum aromaticum). Proanthocyanidin A2 is found in many foods, some of which are herbs and spices, cinnamon, avocado, and lingonberry.
InChI标识符
InChI=1S/C31H26O12/c1-11-4-13(6-20(37)27(11)39)31-30(40)26(24-19(36)7-14(32)8-22(24)42-31)25-23(43-31)10-17(34)15-9-21(38)28(41-29(15)25)12-2-3-16(33)18(35)5-12/h2-8,10,21,26,28,30,32-40H,9H2,1H3/t21-,26-,28-,30-,31+/m1/s1