1 LTD (5~{S},6~{R},7~{E},9~{E},11~{z},14~{z})-6-[(2~{R})-2-azanyl-3-(2-hydroxy-2-oxoethylamino)-3-oxidanylidene-propyl]sulfanyl-5-oxidanyl-icosa-7,9,11,14-tetraenoic acid 1.000 2 LTX (5~{S},6~{R},7~{E},9~{E},11~{z},14~{z})-6-[(2~{R})-2-[[(4~{S})-4-azanyl-5-oxidanyl-5-oxidanylidene-pentanoyl]amino]-3-(2-hydroxy-2-oxoethylamino)-3-oxidanylidene-propyl]sulfanyl-5-oxidanyl-icosa-7,9,11,14-tetraenoic acid 0.750