Synonyms: Propanoicacid, 3-[[5-[[3-[bis(2,3-dihydroxypropyl)amino]-4-hydroxyphenyl]diarsenyl]-2-benzoxazolyl]thio]-,monosodium salt (9CI); Propionic acid,3-[[5-[[3-[bis(2,3-dihydroxypropyl)amino]-4-hydroxyphenyl]arseno]-2-benzoxazolyl]thio]-,monosodium salt (8CI); Propionic acid, 3-[[5-[[3-[bis(2,3-dihydroxypropyl)amino]-4-hydroxyphenyl]arseno]-2-benzoxazolyl]thio]-,sodium salt (7CI); Hoechst 10577; Spirotrypan