132304 EC epicatechin 333 926155 EPI epicatechin 54 145233 EP epicatechin 5 925077 EPC epicatechin 3 2605083 ECAT epicatechin 1 898965 ECN epicatechin 1 2608935 ECTC epicatechin 1 136723 EE epicatechin 1 939605 ETP epicatechin 1 1879157 EpCat epicatechin 1 2637574 Epic epicatechin 1 149542 Et epicatechin 1