[(2S,2'S)-3β,7β,9α,10β-Tetrakis(acetyloxy)-3,4,4b,5,6,7,8,8a,9,10-decahydro-2',4bα,8-trimethyl-1,4-dioxospiro[phenanthrene-2(1H),1'-cyclopropan]-8β-yl]methanol acetate CAS NO 66584-90-5

Spiro[Fluorene-9,9'-Xanthene] CAS NO 159-62-6

Spiro[3.4]Octane CAS NO 175-56-4

2,8-Diazaspiro[4.5]Decane CAS NO 176-67-0

9,9'-Spirobi[9H-Fluorene] CAS NO 159-66-0

2-Oxaspiro[3,4]Octane CAS NO 175-57-5

2-Oxa-8-Azaspiro[4.5]Decane CAS NO 176-69-2

Spiro(6,10-(Epoxymethano))-10H-Cyclopenta(A)Phenanthrene CAS NO 163-77-9

2-Azaspiro[4.4]Nonane CAS NO 175-94-0

7-Azaspiro[4.5]Decane CAS NO 176-73-8

Spiro[1,3-Dioxolane-2,8'(9'H)-[7H-7,9A]Methanobenz[A]Azulene] CAS NO 171-00-6

2,7-Diaza-Spiro[4.4]Nonane CAS NO 175-96-2

2-Oxa-7-Azaspiro[4.5]Decane (8Ci,9Ci) CAS NO 176-74-9

2-Oxa-7-Aza-Spiro[4.4]Nonane CAS NO 175-97-3

Spiro CAS NO 171-77-7

1-Oxa-7-Aza-Spiro[4.4]Nonane CAS NO 176-12-5

Spiro[Bicyclo[2.2.1]Heptane-2,2-[1,3]Dioxolane] (9Ci) CAS NO 172-67-8

1,6-Dioxaspiro[4.4]Nonane CAS NO 176-25-0

Spiro[Bicyclo[2.2.1]Heptane-2,2-[1,3]Oxathiolane] (9Ci) CAS NO 172-68-9

1,4-Dioxa-7-Aza-Spiro[4.4]Nonane CAS NO 176-33-0

1,4-Dioxa-7-Thiaspiro[4.4]Nonane CAS NO 176-35-2