ピロカテキンです
pirokatekindesu
1. Pyrocatechin; Catechol
Noun
1. Pyrocatechin; Catechol
1. catechin
1. pillowcase
1. pyrophosphoric acid
1. pyrrole
1. pyrophosphate
1. pyrocatechin; pyrocatechol
1. pyrrolidine
1. sodium metabisulfite; sodium pyrosulfite
1. Probably catechin.