171925-20-5 1,2,7,8-Indolizinetetrol, octahydro-, 1,2,7-tribenzoate, 1S-(1.alpha.,2.beta.,7.alpha.,8.alpha.,8a.alpha.)- 171925-22-7 1,6,7,8-Indolizinetetrol, octahydro-, 1,6,7-tribenzoate 8-methanesulfonate, 1S-(1.alpha.,6.beta.,7.alpha.,8.beta.,8a.beta.)- 171927-39-2 4,7-Epoxy-2H-[1,6]dioxacyclotridecino[2,3,4-gh]- pyrrolizine-2,8(3H)-dione,4,5,6,7,10,12,14,15,- 15a,15b-decahydro-4,6,7-trimethyl-,13- oxide,(4R,6R,7S,15aR,15bR)- 171962-28-0 Pentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(25),3,- 5,7(28),9,11,13(27),15,17,19(26),21,23- dodecaene-5,11,17,23-tetrasulfonic acid,25,26,27,28-tetramethoxy-,tetrasodium salt